Illinois Cities by Population 2026

1443 cities

City
Rank
2026 Pop. ↓
2025 Pop.
Annual Change
Density
Area (mi²)
Type
Chicago12,709,3642,715,336-0.22%11,896228 City
Aurora2180,935180,8220.06%3,99945 City
Naperville3154,969154,0460.6%3,93639 City
Joliet4152,579152,2080.24%2,30866 City
Rockford5146,881147,183-0.21%2,24665 City
Elgin6114,729114,7150.01%3,00838 City
Springfield7112,236112,592-0.32%1,83261 City
Peoria8111,073111,384-0.28%2,30848 City
Champaign993,74392,8520.96%4,07123 City
Waukegan1088,29488,432-0.16%3,64624 City
Cicero1180,67581,382-0.87%13,7556 Town
Bloomington1279,50279,3670.17%2,93227 City
Schaumburg1376,43276,765-0.43%3,95119 Village
Bolingbrook1475,22074,9880.31%3,01425 Village
Evanston1575,10075,553-0.6%9,6548 City
Arlington Heights1674,69475,145-0.6%4,49617 Village
Decatur1767,65568,209-0.81%1,53244 City
Palatine1865,09165,521-0.66%4,61114 Village
Skokie1964,93065,390-0.7%6,45210 Village
Des Plaines2058,02058,426-0.69%4,07514 City
Orland Park2157,75757,888-0.23%2,62222 Village
Oak Lawn2255,72256,126-0.72%6,5019 Village
Mount Prospect2354,83755,148-0.56%5,11611 Village
Tinley Park2454,37054,613-0.44%3,36316 Village
Berwyn2554,23054,691-0.84%13,8914 City
Wheaton2653,66253,701-0.07%4,74111 City
Normal2753,44453,3740.13%2,86319 Town
Oak Park2852,13352,540-0.77%11,0925 Village
Plainfield2950,83649,8581.96%1,94526 Village
Downers Grove3050,73750,6440.18%3,46315 Village
Hoffman Estates3150,19050,555-0.72%2,44421 Village
Glenview3247,17447,404-0.49%3,26014 Village
Elmhurst3346,29846,2030.21%4,53110 City
Lombard3444,52744,5080.04%4,38310 Village
Buffalo Grove3543,06143,066-0.01%4,50510 Village
Moline3642,21742,329-0.26%2,52017 City
Crystal Lake3742,14941,8310.76%2,22019 City
Romeoville3841,36141,2690.22%2,14119 Village
Oswego3940,79539,7862.54%2,51616 Village
DeKalb4040,62440,5570.17%2,27918 City
Bartlett4140,56540,641-0.19%2,57116 Village
Urbana4240,31340,0720.6%3,40512 City
Belleville4339,70140,130-1.07%1,70923 City
Carol Stream4439,45439,505-0.13%4,2429 Village
Quincy4538,39138,588-0.51%2,43516 City
Park Ridge4637,91638,180-0.69%5,3497 City
Wheeling4737,88238,105-0.59%4,3689 Village
Streamwood4837,81538,087-0.71%4,8438 Village
Carpentersville4936,76036,952-0.52%4,6748 Village
Hanover Park5036,35536,520-0.45%5,6616 Village
Rock Island5136,14636,290-0.4%2,06118 City
Addison5235,77635,7520.07%3,64010 Village
Calumet City5334,33034,592-0.76%4,7697 City
Northbrook5434,24334,394-0.44%2,58613 Village
Woodridge5534,09634,099-0.01%3,54010 Village
St. Charles5633,68133,5810.3%2,32914 City
Mundelein5733,19232,9160.84%3,03411 Village
Glendale Heights5832,74932,807-0.18%6,0715 Village
O'Fallon5932,04732,108-0.19%2,02916 City
Elk Grove Village6031,35431,578-0.71%2,66112 Village
Highland Park6131,11230,9530.51%2,54312 City
Pekin6230,98731,126-0.45%1,93816 City
Algonquin6330,96930,7540.7%2,47013 Village
North Chicago6430,58830,613-0.08%3,8268 City
Gurnee6530,49030,518-0.09%2,25614 Village
McHenry6629,56329,1941.26%1,96615 City
Niles6729,48229,700-0.73%5,0416 Village
New Lenox6829,09828,7891.07%1,81116 Village
Galesburg6928,96229,125-0.56%1,63118 City
Huntley7028,85828,6760.63%1,97015 Village
Glen Ellyn7128,83728,854-0.06%4,1847 Village
Lake in the Hills7228,59528,650-0.19%2,79410 Village
Burbank7328,23328,419-0.65%6,7714 City
Yorkville7428,09627,0413.9%1,37520 City
Lansing7527,67827,892-0.77%3,7097 Village
Danville7627,40827,694-1.03%1,53518 City
Lockport7727,29627,1050.7%2,32912 City
Wilmette7827,12627,284-0.58%5,0225 Village
Vernon Hills7927,09027,0460.16%3,5018 Village
Round Lake Beach8027,03327,062-0.11%5,3595 Village
Edwardsville8126,66626,690-0.09%1,33520 City
Batavia8226,57726,5660.04%2,44311 City
Oak Forest8326,53426,673-0.52%4,4046 City
Granite City8426,52226,688-0.62%1,39519 City
Chicago Heights8526,11426,323-0.79%2,54010 City
Woodstock8626,01125,9510.23%1,97213 City
South Elgin8725,45825,1891.07%3,5037 Village
West Chicago8825,42225,445-0.09%1,65215 City
Belvidere8925,35225,3380.06%1,98413 City
Homer Glen9025,02824,9400.35%1,12722 Village
Alton9124,63224,799-0.67%1,57216 City
Zion9224,50924,546-0.15%2,46810 City
Westmont9324,25624,282-0.11%4,8375 Village
Morton Grove9424,09724,282-0.76%4,7365 Village
Loves Park9523,75423,6950.25%1,45516 City
Melrose Park9623,64623,822-0.74%5,4324 Village
Rolling Meadows9723,50723,619-0.47%4,1866 City
Lisle9823,49023,519-0.12%3,4067 Village
Collinsville9923,46523,615-0.64%1,52015 City
Maywood10023,33623,350-0.06%8,5893 Village
Elmwood Park10123,33323,515-0.77%12,2292 Village
Kankakee10223,29923,417-0.5%1,53815 City
Roselle10322,84522,858-0.06%4,1316 Village
Machesney Park10422,79222,815-0.1%1,79713 Village
Bloomingdale10522,75622,6890.3%3,3637 Village
Freeport10622,73022,935-0.89%1,91512 City
Montgomery10722,71522,3361.7%2,26710 Village
Carbondale10822,20322,213-0.05%1,27017 City
Darien10922,02322,0190.02%3,5716 City
Villa Park11021,92721,973-0.21%4,6445 Village
East Peoria11121,81421,919-0.48%1,05521 City
Frankfort11221,58421,3720.99%1,38216 Village
Blue Island11321,47221,638-0.77%5,2744 City
Grayslake11421,28421,2730.05%1,95011 Village
Geneva11521,08321,125-0.2%2,11310 City
East Moline11620,83620,915-0.38%1,42815 City
Park Forest11720,71520,865-0.72%4,1765 Village
Libertyville11820,68320,6630.1%2,3489 Village
South Holland11920,46820,621-0.74%2,8297 Village
Dolton12020,37820,537-0.77%4,4585 Village
Crest Hill12120,12620,174-0.24%2,2429 City
Lake Zurich12220,04620,0030.21%2,8967 Village
Mokena12319,94019,9270.07%2,2849 Village
North Aurora12419,84919,5891.33%2,6198 Village
Lake Forest12519,78819,7150.37%1,15017 City
Harvey12619,54819,664-0.59%3,1506 City
Deerfield12719,14219,1400.01%3,4566 Village
Sycamore12819,11419,0410.38%1,88810 City
Evergreen Park12919,01819,159-0.74%6,0133 Village
Ottawa13018,75218,763-0.06%1,25915 City
Shorewood13118,69118,6060.46%2,3128 Village
Round Lake13218,63518,644-0.05%3,3526 Village
Brookfield13318,60618,745-0.74%6,0723 Village
Bensenville13418,55718,593-0.19%3,3546 Village
Homewood13518,49618,642-0.78%3,6945 Village
Lemont13618,40318,3030.55%2,0149 Village
Matteson13718,33818,452-0.62%1,9749 Village
Alsip13818,22918,357-0.7%2,7927 Village
Cary13918,14118,0860.3%2,7847 Village
Bourbonnais14018,07618,079-0.02%1,9429 Village
Franklin Park14117,96718,038-0.39%3,7615 Village
Bellwood14217,84017,986-0.81%7,4402 Village
Palos Hills14317,80717,916-0.61%4,1944 City
Morton14417,74617,6510.54%1,38413 Village
Hinsdale14517,71317,6550.33%3,8315 Village
Jacksonville14617,57917,690-0.63%1,66411 City
East St. Louis14717,51117,659-0.84%1,25814 City
Godfrey14817,50917,559-0.28%50934 Village
Charleston14917,25217,306-0.31%1,9019 City
Marion15017,11617,0680.28%1,18814 City
Cahokia Heights15116,65316,852-1.18%1,06016 City
Mattoon15216,47616,539-0.38%1,59710 City
Bridgeview15316,35916,459-0.61%3,9584 Village
Warrenville15416,05515,6512.58%2,9395 City
Westchester15516,05516,184-0.8%4,3564 Village
Country Club Hills15616,00116,119-0.73%3,2205 City
Fairview Heights15715,83915,977-0.86%1,38611 City
La Grange15815,76515,854-0.56%6,2443 Village
Washington15915,75315,805-0.33%1,8429 City
Antioch16015,35315,2300.81%1,8638 Village
Prospect Heights16115,35315,459-0.69%3,6494 City
Bradley16215,25515,276-0.14%2,0977 Village
Shiloh16315,06114,9071.03%1,19013 Village
Dixon16415,05115,103-0.34%1,5889 City
Channahon16514,84614,6191.55%88517 Village
Morris16614,76414,6750.61%1,16413 City
Chatham16714,75114,6950.38%1,9927 Village
Lindenhurst16814,65914,6110.33%3,2385 Village
Macomb16914,64714,706-0.4%1,35111 City
Norridge17014,62514,721-0.65%8,0892 Village
Swansea17114,49114,4680.16%2,2376 Village
Sterling17214,38414,459-0.52%2,4196 City
Beach Park17314,20014,206-0.04%2,0077 Village
Wauconda17414,04814,051-0.02%2,7705 Village
Mount Vernon17513,95814,060-0.73%95315 City
Wood Dale17613,95713,970-0.09%2,9145 City
Hickory Hills17713,94914,033-0.6%4,9053 City
Glen Carbon17813,89713,8900.05%1,34710 Village
Chicago Ridge17913,86313,949-0.62%6,1122 Village
Midlothian18013,67513,772-0.7%4,8513 Village
Forest Park18113,62913,737-0.79%5,6742 Village
Western Springs18213,49913,514-0.11%4,8473 Village
La Grange Park18313,34313,401-0.43%5,9752 Village
Plano18413,06112,8691.49%1,4559 City
Minooka18512,98312,9450.29%1,4279 Village
Lincoln18612,94812,997-0.38%2,0736 City
Lincolnwood18712,87712,966-0.69%4,7833 Village
Hazel Crest18812,84112,938-0.75%3,5604 Village
Canton18912,67312,784-0.87%1,5108 City
Effingham19012,48712,4600.22%1,14711 City
Winnetka19112,39312,443-0.4%3,2524 Village
Richton Park19212,38512,444-0.47%2,8204 Village
Northlake19312,25312,343-0.73%3,8583 City
Rantoul19412,23912,253-0.11%1,4428 Village
Herrin19512,20712,230-0.19%1,26210 City
Streator19612,18712,241-0.44%1,6667 City
Justice19712,11812,192-0.61%4,2673 Village
Pingree Grove19812,06911,7902.37%2,9874 Village
Troy19911,98811,8990.75%1,9216 City
Kewanee20011,98512,065-0.66%1,8167 City
Palos Heights20111,92212,005-0.69%3,1594 City
River Forest20211,75311,831-0.66%4,7392 Village
Centralia20311,60811,697-0.76%1,4168 City
Manhattan20411,39311,0822.81%1,6887 Village
Waterloo20511,24511,2050.36%1,3668 City
Burr Ridge20611,21411,2080.05%1,5017 Village
Mahomet20711,18310,9012.59%1,15010 Village
Schiller Park20811,15411,239-0.76%4,0273 Village
Markham20911,12511,207-0.73%2,0585 City
Roscoe21010,99010,9850.05%1,07110 Village
Pontiac21110,97711,015-0.34%1,3068 City
Fox Lake21210,90610,915-0.08%1,3928 Village
Campton Hills21310,90410,8990.05%64617 Village
Columbia21410,86110,890-0.27%1,02911 City
Gages Lake21510,82310,7840.36%3,6373 CDP
Summit21610,58310,672-0.83%4,9942 Village
Barrington21710,56910,592-0.22%2,2905 Village
Worth21810,52310,591-0.64%4,4422 Village
Crestwood21910,40910,471-0.59%3,4143 Village
Winfield22010,39310,2960.94%3,3583 Village
River Grove22110,34810,386-0.37%4,3282 Village
Lyons22210,27410,357-0.8%4,6552 Village
Wood River22310,15810,204-0.45%1,4567 City
Taylorville22410,14510,204-0.58%98410 City
Riverdale22510,13810,218-0.78%2,8364 Village
Highland22610,00210,015-0.13%1,3987 City
Frankfort Square2279,8939,8540.4%3,9642 CDP
Hawthorn Woods2289,8309,7071.27%1,2088 Village
Peru2299,7359,764-0.3%93210 City
Rochelle2309,5299,5190.11%69314 City
Sauk Village2319,4969,561-0.68%2,3794 Village
Itasca2329,4889,497-0.09%1,8895 Village
Hampshire2339,4739,1683.33%93910 Village
Savoy2349,4579,3581.06%2,8783 Village
Gilberts2359,4279,2511.9%1,7175 Village
Harvard2369,3839,395-0.13%1,1208 City
Sugar Grove2379,3789,3580.21%80112 Village
Boulder Hill2389,3629,2840.84%6,4211 CDP
LaSalle2399,3539,388-0.37%69513 City
Lynwood2409,3199,2790.43%1,8335 Village
Mascoutah2419,2849,2010.9%96310 City
Steger2429,2759,325-0.54%2,7253 Village
Manteno2439,2689,2540.15%1,7325 Village
Flossmoor2449,2329,301-0.74%2,5224 Village
Willowbrook2459,1589,168-0.11%3,5573 Village
Bethalto2469,1199,151-0.35%1,2018 Village
Riverside2478,8148,889-0.84%4,4562 Village
Lake Villa2488,7428,7390.03%1,3387 Village
Clarendon Hills2498,7108,7060.05%4,8122 Village
Glencoe2508,6668,693-0.31%2,3314 Village
Harwood Heights2518,6188,686-0.78%10,4461 Village
Rock Falls2528,5358,574-0.45%2,1434 City
Monmouth2538,5008,569-0.81%2,0044 City
Long Grove2548,4018,3970.05%67812 Village
Maryville2558,3978,3740.27%1,4486 Village
Jerseyville2568,3638,3560.08%1,5975 City
Crete2578,3398,355-0.19%8869 Village
Olney2588,3018,366-0.78%1,1987 City
Glenwood2598,2878,350-0.75%2,5393 Village
Oak Brook2608,2088,1980.12%1,0298 Village
Island Lake2618,0818,0730.1%2,4133 Village
Lincolnshire2628,0418,0240.21%1,7635 Village
Silvis2638,0068,0040.02%1,8684 City
Paris2647,9838,030-0.59%1,4066 City
South Beloit2657,9837,9830%1,2996 City
Park City2667,9697,9540.19%6,8881 City
Volo2677,9367,6483.77%1,9254 Village
Round Lake Park2687,9227,8790.55%3,8382 Village
West Dundee2697,9177,9110.08%1,9704 Village
Hillside2707,9057,968-0.79%2,4953 Village
Rockton2717,8627,8610.01%1,1467 Village
Broadview2727,8197,843-0.31%4,4002 Village
Harrisburg2737,7797,858-1.01%1,1767 City
Marengo2747,7727,7350.48%8739 City
Princeton2757,5777,622-0.59%9208 City
Inverness2767,3447,386-0.57%1,1247 Village
Sandwich2777,3437,3210.3%1,5505 City
Vandalia2787,3097,333-0.33%8978 City
Elburn2797,1346,9802.21%1,9024 Village
Greenville2807,0747,100-0.37%1,1216 City
West Frankfort2817,0677,099-0.45%1,4185 City
North Riverside2827,0457,103-0.82%4,2852 Village
Murphysboro2837,0277,035-0.11%1,3395 City
Robinson2847,0107,031-0.3%1,4925 City
University Park2856,9997,021-0.31%65211 Village
Salem2866,8876,951-0.92%9857 City
Mendota2876,8636,892-0.42%1,3395 City
Clinton2886,8356,858-0.34%1,9294 City
Stickney2896,8086,855-0.69%3,5382 Village
Chester2906,7326,745-0.19%1,1666 City
Candlewick Lake2916,7196,2996.67%3,6342 CDP
Calumet Park2926,6696,723-0.8%5,9701 Village
Mount Carmel2936,6666,718-0.77%1,3865 City
Lakemoor2946,5896,5201.06%1,2425 Village
Orland Hills2956,5826,629-0.71%5,7481 Village
Winthrop Harbor2966,5556,560-0.08%1,4145 Village
Benton2976,5176,547-0.46%1,1875 City
Litchfield2986,5016,544-0.66%7269 City
Geneseo2996,4836,493-0.15%1,3765 City
Johnsburg3006,4586,4430.23%8907 Village
Braidwood3016,2736,2590.22%1,1845 City
Countryside3026,1676,206-0.63%2,1433 City
Monticello3036,0416,0250.27%1,5584 City
Chillicothe3046,0226,037-0.25%1,1425 City
Wonder Lake3055,9595,6275.9%1,1875 Village
Coal City3065,8645,8370.46%1,0176 Village
Pontoon Beach3075,8395,842-0.05%59410 Village
Mount Zion3085,8385,867-0.49%1,3684 Village
Carterville3095,8035,812-0.15%1,0955 City
Bartonville3105,7895,812-0.4%7198 Village
Willow Springs3115,7645,778-0.24%1,3894 Village
Peoria Heights3125,7565,779-0.4%2,3092 Village
Beardstown3135,7425,772-0.52%1,5874 City
Hillsboro3145,7115,736-0.44%6629 City
Metropolis3155,6875,731-0.77%9456 City
Wilmington3165,6185,623-0.09%40014 City
Genoa3175,6175,5650.93%2,1643 City
Lake Bluff3185,5955,597-0.04%1,3734 Village
Spring Grove3195,5915,5720.34%6189 Village
Northfield3205,5675,596-0.52%1,7243 Village
Lake Holiday3215,5505,5010.89%1,5834 CDP
East Alton3225,5475,584-0.66%1,0435 Village
Du Quoin3235,5115,561-0.9%7907 City
Highwood3245,4935,4251.25%7,6291 City
Carlinville3255,4915,536-0.81%1,6303 City
Grandwood Park3265,3365,3280.15%3,6931 CDP
Posen3275,3335,373-0.74%4,5621 Village
Spring Valley3285,3185,361-0.8%7177 City
Poplar Grove3295,2155,1900.48%6628 Village
Lake Barrington3305,1955,1770.35%9066 Village
Eureka3315,1755,182-0.14%1,8913 City
Monee3325,1515,1450.12%1,1514 Village
Berkeley3335,0725,113-0.8%3,6181 Village
South Barrington3345,0595,060-0.02%6787 Village
Milan3355,0025,017-0.3%8006 Village
Pana3364,9604,997-0.74%1,2864 City
Colona3374,9214,940-0.38%1,2894 City
Pinckneyville3384,9124,937-0.51%1,1964 City
Staunton3394,8794,907-0.57%1,2174 City
Kildeer3404,7914,6722.55%1,1114 Village
Creve Coeur3414,7844,808-0.5%1,1314 Village
Palos Park3424,7784,794-0.33%7786 Village
Fox River Grove3434,7774,7620.31%2,7902 Village
Marseilles3444,7534,766-0.27%5049 City
Fairfield3454,7414,765-0.5%1,1574 City
Beecher3464,7384,7320.13%1,7303 Village
Cortland3474,6904,6411.06%1,3054 Town
Tuscola3484,6644,6610.06%1,5823 City
Sherman3494,6154,624-0.19%1,4693 Village
Breese3504,6124,620-0.17%1,7263 City
Carmi3514,6004,639-0.84%1,7773 City
Hoopeston3524,5864,638-1.12%1,2444 City
Flora3534,5734,610-0.8%9755 City
Lebanon3544,5684,598-0.65%1,6953 City
Robbins3554,5414,554-0.29%3,1341 Village
Olympia Fields3564,5344,563-0.64%1,5433 Village
Shelbyville3574,4854,512-0.6%1,0984 City
Freeburg3584,4754,496-0.47%6537 Village
Stone Park3594,4274,450-0.52%12,8690 Village
Watseka3604,4084,451-0.97%1,4973 City
Auburn3614,4064,429-0.52%1,0684 City
Caseyville3624,3964,3950.02%6057 Village
Paxton3634,3824,392-0.23%1,4433 City
Lawrenceville3644,3764,3450.71%2,0222 City
Scott AFB3654,3304,2851.05%9984 CDP
Lakewood3664,2954,2910.09%9365 Village
Peotone3674,2664,2470.45%2,1172 Village
Sullivan3684,2464,272-0.61%1,5333 City
West Peoria3694,1774,190-0.31%1,9832 City
Rochester3704,1344,0891.1%1,5413 Village
Hometown3714,1254,159-0.82%8,6120 City
Anna3724,1064,135-0.7%1,1124 City
Green Oaks3734,1054,106-0.02%1,0294 Village
Barrington Hills3744,0714,075-0.1%15127 Village
Rosewood Heights3754,0494,0480.02%2,4232 CDP
Dwight3764,0354,0330.05%1,0444 Village
Sparta3774,0204,030-0.25%36011 City
Pittsfield3783,9854,016-0.77%8335 City
Morrison3793,9473,967-0.5%1,5683 City
Indian Head Park3803,9053,930-0.64%4,1901 Village
Millstadt3813,8993,928-0.74%1,1124 Village
Coal Valley3823,8863,8840.05%1,2273 Village
Burnham3833,8593,887-0.72%2,0802 Village
Metamora3843,8563,863-0.18%1,6952 Village
Smithton3853,8303,859-0.75%8515 Village
South Chicago Heights3863,8303,858-0.73%2,4232 Village
Marshall3873,8223,843-0.55%1,0424 City
Riverwoods3883,7833,7830%9544 Village
Rosemont3893,7633,792-0.76%2,1002 Village
St. Joseph3903,7613,766-0.13%1,8062 Village
Byron3913,7533,758-0.13%8075 City
Red Bud3923,7483,755-0.19%1,4293 City
Dupo3933,7073,752-1.2%5796 Village
Ridgewood3943,6893,4586.68%8,3840 CDP
Deer Park3953,6633,666-0.08%9984 Village
Forsyth3963,6183,637-0.52%1,1693 Village
Oglesby3973,5933,609-0.44%7205 City
Tolono3983,5803,5800%1,7372 Village
Fulton3993,5483,564-0.45%1,5182 City
Fairbury4003,5403,555-0.42%1,9372 City
Oregon4013,5403,555-0.42%1,8372 City
Hainesville4023,5273,529-0.06%1,9102 Village
Eldorado4033,5083,545-1.04%1,4023 City
Wadsworth4043,5013,5010%35610 Village
Le Roy4053,4833,489-0.17%1,4492 City
Aledo4063,4733,497-0.69%1,4822 City
Germantown Hills4073,4633,4560.2%1,9812 Village
Riverton4083,4603,474-0.4%1,0983 Village
Gibson City4093,4303,437-0.2%1,4782 City
New Baden4103,3803,387-0.21%1,8522 Village
Johnston City4113,2743,291-0.52%1,5472 City
Holiday Shores4123,2273,2050.69%2,0402 CDP
Carlyle4133,1913,199-0.25%9323 City
Pistakee Highlands4143,1593,177-0.57%2,4601 CDP
Galena4153,1513,179-0.88%6825 City
Long Lake4163,1513,173-0.69%2,6701 CDP
South Jacksonville4173,1493,173-0.76%1,3922 Village
North Barrington4183,1453,1430.06%6665 Village
Momence4193,1343,151-0.54%1,9852 City
Virden4203,1103,128-0.58%1,6462 City
Sleepy Hollow4213,1053,121-0.51%1,5492 Village
East Dundee4223,0863,101-0.48%1,0543 Village
Gillespie4233,0493,068-0.62%2,0551 City
Madison4243,0213,040-0.63%21414 City
Westville4252,9693,002-1.1%1,7692 Village
Nashville4262,9602,983-0.77%9533 City
Georgetown4272,9352,968-1.11%1,8162 City
Heyworth4282,9272,9050.76%8803 Village
Dixmoor4292,9122,928-0.55%2,3311 Village
Arcola4302,9072,911-0.14%1,4372 City
Winnebago4312,8982,902-0.14%1,4982 Village
Ingalls Park4322,8912,917-0.89%2,6051 CDP
Cherry Valley4332,8862,887-0.03%3438 Village
Rushville4342,8742,889-0.52%1,7402 City
Abingdon4352,8322,851-0.67%1,9871 City
Knoxville4362,8132,826-0.46%1,1972 City
Mount Morris4372,7642,778-0.5%1,7722 Village
Havana4382,7622,794-1.15%9953 City
Diamond4392,7372,7190.66%1,4412 Village
El Paso4402,7242,728-0.15%1,2702 City
Oakbrook Terrace4412,7202,724-0.15%2,0801 City
Pawnee4422,7052,7010.15%2,0311 Village
Newton4432,6982,710-0.44%1,2922 City
Venetian Village4442,6762,685-0.34%1,5082 CDP
Savanna4452,6712,692-0.78%1,0213 City
Trenton4462,6422,649-0.26%1,4032 City
Hamilton4472,6212,641-0.76%7364 City
Bushnell4482,6202,634-0.53%1,2382 City
Lena4492,6192,642-0.87%9883 Village
Round Lake Heights4502,5912,595-0.15%4,5061 Village
Christopher4512,5902,605-0.58%1,5972 City
Sumner4522,5752,585-0.39%1,8421 City
McLeansboro4532,5642,578-0.54%9343 City
Davis Junction4542,5452,5390.24%6064 Village
Willowbrook4552,5142,4871.09%1,7141 CDP
Tilton4562,4812,507-1.04%6534 Village
Aviston4572,4752,4540.86%1,5472 Village
Marquette Heights4582,4592,472-0.53%2,5251 City
Washington Park4592,4352,458-0.94%9543 Village
Villa Grove4602,4342,442-0.33%1,6212 City
Sheridan4612,4072,410-0.12%1,1352 Village
Kenilworth4622,4022,419-0.7%3,9571 Village
Fairmont4632,3972,401-0.17%1,7231 CDP
Carthage4642,3932,412-0.79%9463 City
Galva4652,3642,380-0.67%8553 City
Casey4662,3482,362-0.59%8953 City
Carrollton4672,3222,348-1.11%1,2212 City
Seneca4682,2922,301-0.39%3856 Village
Arthur4692,2892,2790.44%1,7121 Village
Wayne4702,2872,2860.04%3996 Village
Lake Summerset4712,2842,2700.62%1,0782 CDP
Prestbury4722,2782,2441.52%3,6391 CDP
Henry4732,2772,287-0.44%1,2672 City
Thornton4742,2622,281-0.83%9522 Village
Elwood4752,2592,2530.27%16614 Village
Preston Heights4762,2592,278-0.83%1,9511 CDP
Farmington4772,2502,272-0.97%1,4952 City
Fox Lake Hills4782,2382,260-0.97%1,7651 CDP
Tremont4792,2332,240-0.31%1,8701 Village
Polo4802,2162,227-0.49%1,5271 City
Amboy4812,1982,211-0.59%3656 City
Altamont4822,1902,195-0.23%1,4252 City
Richmond4832,1422,1320.47%5004 Village
Brighton4842,1382,151-0.6%1,1132 Village
Fairmont City4852,1262,147-0.98%3436 Village
White Hall4862,1262,150-1.12%8253 City
Petersburg4872,1242,140-0.75%1,3602 City
Fisher4882,1122,1020.48%1,5881 Village
Nokomis4892,0992,113-0.66%1,6621 City
Lexington4902,0972,0970%1,0242 City
Channel Lake4912,0632,0381.23%1,1442 CDP
Oakwood Hills4922,0542,056-0.1%1,8881 Village
Pecatonica4932,0472,052-0.24%1,5951 Village
Mount Sterling4942,0462,0380.39%1,8471 City
Elmwood4952,0262,033-0.34%1,4511 City
Cambridge4962,0092,021-0.59%1,0092 Village
Crystal Lawns4971,9861,9790.35%3,0141 CDP
Rockdale4981,9671,973-0.3%1,3941 Village
Hinckley4991,9661,971-0.25%2,2941 Village
Prairie Grove5001,9491,950-0.05%3216 Village
Knollwood5011,9441,9320.62%3,2131 CDP
Mason City5021,9391,960-1.07%1,9141 City
Lewistown5031,9191,939-1.03%9602 City
Bellevue5041,9171,9100.37%8622 Village
Cambria5051,9141,8533.29%1,3531 Village
Roanoke5061,9141,921-0.36%2,0411 Village
Mount Olive5071,9071,924-0.88%1,6541 City
Prophetstown5081,8901,898-0.42%1,4121 City
Merrionette Park5091,8871,899-0.63%5,0320 Village
Catlin5101,8851,902-0.89%2,2201 Village
Minonk5111,8851,891-0.32%7852 City
Steeleville5121,8831,889-0.32%1,2362 Village
Athens5131,8711,887-0.85%1,1112 City
Sesser5141,8671,871-0.21%1,8131 City
Albion5151,8311,849-0.97%8572 City
Mackinaw5161,8311,839-0.44%1,5251 Village
New Athens5171,8311,850-1.03%8672 Village
South Roxana5181,8301,839-0.49%8482 Village
Forest Lake5191,8291,8180.61%5,2260 CDP
Lacon5201,8211,829-0.44%1,1382 City
Farmer City5211,8111,814-0.17%7562 City
Carbon Cliff5221,7941,801-0.39%8562 Village
The Galena Territory5231,7791,7342.6%16211 CDP
Hudson5241,7691,7680.06%2,1601 Village
Lake of the Woods5251,7601,832-3.93%1,0462 CDP
Lake Camelot5261,7571,7530.23%1,0092 CDP
Heritage Lake5271,7511,7370.81%1,5451 CDP
Somonauk5281,7501,755-0.28%7003 Village
Girard5291,7491,759-0.57%1,8731 City
Hampton5301,7441,749-0.29%1,1941 Village
Arbury Hills5311,7331,6256.65%9,6820 CDP
Teutopolis5321,7271,7100.99%8452 Village
Ford Heights5331,7241,738-0.81%8862 Village
Princeville5341,7171,718-0.06%1,0142 Village
Moweaqua5351,7091,716-0.41%8332 Village
Marissa5361,7001,721-1.22%2367 Village
Orion5371,6941,704-0.59%1,8121 Village
Chenoa5381,6891,694-0.3%6952 City
Ina5391,6471,6470%6852 Village
Gilman5401,6401,657-1.03%5003 City
Stockton5411,6361,652-0.97%8722 Village
Port Byron5421,6321,637-0.31%6722 Village
Jonesboro5431,6301,642-0.73%6043 City
Bridgeport5441,6281,657-1.75%1,5191 City
Jerome5451,6261,636-0.61%3,5190 Village
Phoenix5461,6241,637-0.79%3,5000 Village
Atlanta5471,6201,627-0.43%1,2971 City
Kirkland5481,6081,614-0.37%1,2951 Village
Rome5491,6031,611-0.5%8342 CDP
Waterman5501,5991,5711.78%1,0671 Village
Earlville5511,5911,594-0.19%1,3251 City
Dunlap5521,5881,592-0.25%5703 Village
Thomson5531,5871,591-0.25%7152 Village
Westlake Village5541,5781,4796.69%1,7131 CDP
Port Barrington5551,5771,578-0.06%1,3591 Village
Bunker Hill5561,5731,582-0.57%1,2281 City
Carrier Mills5571,5691,584-0.95%1,2991 Village
Twin Grove5581,5521,5520%3924 CDP
De Pue5591,5481,560-0.77%6332 Village
Southern View5601,5321,541-0.58%2,2871 Village
Delavan5611,5301,537-0.46%1,0611 City
Crainville5621,5171,5050.8%9182 Village
Limestone5631,5131,518-0.33%5433 Village
Maroa5641,5111,522-0.72%8572 City
Maple Park5651,5061,4940.8%6582 Village
Mount Pulaski5661,4931,499-0.4%1,3171 City
Hodgkins5671,4821,484-0.13%5463 Village
Herscher5681,4811,487-0.4%8172 Village
Grayville5691,4801,491-0.74%6962 City
Erie5701,4791,485-0.4%1,0721 Village
Winchester5711,4781,494-1.07%1,3091 City
Roodhouse5721,4641,481-1.15%1,2991 City
Zeigler5731,4571,461-0.27%1,0721 City
Manito5741,4561,472-1.09%9622 Village
Virginia5751,4511,460-0.62%1,2021 City
Ladd5761,4491,4182.19%1,2001 Village
Williamsville5771,4411,4410%9312 Village
Lanark5781,4391,451-0.83%1,2841 City
Bement5791,4371,444-0.48%1,8471 Village
East Dubuque5801,4371,447-0.69%5003 City
Gridley5811,4371,440-0.21%1,1651 Village
Venice5821,4331,442-0.62%7752 City
Warsaw5831,4311,443-0.83%2197 City
Cairo5841,4261,474-3.26%2047 City
North Pekin5851,4221,430-0.56%1,0351 Village
Germantown5861,4151,4011%1,3871 Village
Mount Carroll5871,4101,421-0.77%7042 City
Capron5881,4091,4050.28%1,8251 Village
De Soto5891,4081,4080%1,5441 Village
Hebron5901,4021,3990.21%7162 Village
Leland Grove5911,3901,399-0.64%2,2131 City
Forreston5921,3871,395-0.57%1,4711 Village
Roxana5931,3871,397-0.72%1947 Village
Philo5941,3831,384-0.07%1,6681 Village
Durand5951,3801,381-0.07%1,5021 Village
Benld5961,3781,392-1.01%1,3001 City
Bannockburn5971,3771,3770%6792 Village
Neoga5981,3761,379-0.22%9901 City
Grandview5991,3751,381-0.43%4,1040 Village
Gardner6001,3691,3670.15%4703 Village
St. Jacob6011,3641,366-0.15%1,6101 Village
North Utica6021,3521,3470.37%3913 Village
New Berlin6031,3491,354-0.37%1,1941 Village
Vienna6041,3491,3490%4763 City
Oblong6051,3391,344-0.37%1,2331 Village
Greenup6061,3371,342-0.37%7642 Village
Okawville6071,3371,342-0.37%6602 Village
Granville6081,3181,324-0.45%1,0081 Village
Toluca6091,3101,315-0.38%1,2341 City
Kincaid6101,2961,305-0.69%1,5861 Village
Cerro Gordo6111,2841,289-0.39%1,7611 Village
Grant Park6121,2781,280-0.16%3743 Village
Onarga6131,2711,282-0.86%7592 Village
Clifton6141,2691,282-1.01%1,3651 Village
Chrisman6151,2581,265-0.55%1,7501 City
Wyoming6161,2551,262-0.55%1,4701 City
Oakwood6171,2511,263-0.95%1,3481 Village
Warren6181,2501,263-1.03%1,2101 Village
Harristown6191,2491,259-0.79%6952 Village
Walnut6201,2441,254-0.8%1,5571 Village
Hanna City6211,2401,244-0.32%9111 Village
East Hazel Crest6221,2361,245-0.72%1,5771 Village
Barry6231,2321,242-0.81%8601 City
St. Elmo6241,2311,237-0.49%8301 City
Long Creek6251,2171,224-0.57%4313 Village
Lockport Heights6261,2111,1356.7%7,0410 CDP
Tower Lakes6271,2081,210-0.17%1,3141 Village
Valmeyer6281,2071,210-0.25%3533 Village
Hillcrest6291,1981,202-0.33%3384 Village
Palestine6301,1961,201-0.42%1,5161 Village
Sidney6311,1901,192-0.17%1,9071 Village
Downs6321,1781,181-0.25%3933 Village
Ashland6331,1741,181-0.59%1,5701 Village
Bethany6341,1721,185-1.1%1,2001 Village
Andalusia6351,1621,164-0.17%9891 Village
Toulon6361,1541,159-0.43%1,1351 City
Chatsworth6371,1501,156-0.52%4293 Town
Bull Valley6381,1361,1360%11510 Village
Hartford6391,1351,143-0.7%2185 Village
Rossville6401,1351,148-1.13%8121 Village
Malta6411,1341,135-0.09%1,8441 Village
Toledo6421,1331,137-0.35%1,2761 Village
Minier6431,1271,132-0.44%1,9601 Village
Waverly6441,1271,137-0.88%1,0881 City
La Harpe6451,1191,128-0.8%8201 City
Albers6461,1181,120-0.18%1,1271 Village
St. Anne6471,1171,123-0.53%1,3461 Village
Macon6481,1151,124-0.8%8801 City
Cuba6491,1141,125-0.98%2,0521 City
Third Lake6501,1131,1130%1,8931 Village
Camp Point6511,1121,114-0.18%8781 Village
Sandoval6521,1091,117-0.72%1,1131 Village
Assumption6531,1071,115-0.72%1,1181 City
Divernon6541,1041,110-0.54%1,4471 Village
Kingston6551,0901,092-0.18%1,1081 Village
Louisville6561,0881,097-0.82%1,3141 Village
Atwood6571,0871,092-0.46%1,7701 Village
Milford6581,0871,099-1.09%1,6201 Village
Norris City6591,0811,090-0.83%9221 Village
Big Rock6601,0771,081-0.37%2494 Village
Homer6611,0771,0760.09%1,0991 Village
Warrensburg6621,0731,079-0.56%1,4741 Village
Blue Mound6631,0701,080-0.93%1,8291 Village
Colchester6641,0701,076-0.56%9301 City
Danvers6651,0701,073-0.28%1,3331 Village
Lily Lake6661,0701,0640.56%3943 Village
Martinsville6671,0681,075-0.65%5282 City
Worden6681,0581,064-0.56%1,4841 Village
Central City6691,0501,058-0.76%1,8581 Village
Goreville6701,0491,051-0.19%3913 Village
Oquawka6711,0461,060-1.32%7121 Village
Edinburg6721,0431,049-0.57%1,6691 Village
Stillman Valley6731,0421,047-0.48%1,8281 Village
Bonnie Brae6741,0399746.67%5,4400 CDP
Royalton6751,0321,037-0.48%9261 Village
Griggsville6761,0311,041-0.96%9321 City
Willow Lake6771,0319676.62%3773 CDP
Lake Catherine6781,0251,047-2.1%1,1281 CDP
Cobden6791,0241,032-0.78%8391 Village
Windsor6801,0211,029-0.78%1,6211 City
Sunnyland6811,0209576.58%5,1260 CDP
Thomasboro6821,0191,021-0.2%1,0191 Village
Flanagan6831,0151,019-0.39%1,7621 Village
Forrest6841,0071,013-0.59%1,5541 Village
Washburn6851,0021,006-0.4%1,3881 Village
Lovington6869991,009-0.99%1,8361 Village
Marine6879939791.43%1,4091 Village
Chebanse6889921,001-0.9%1,2571 Village
Wayne City689986989-0.3%5702 Village
Mazon6909849830.1%1,6351 Village
Payson691984991-0.71%8411 Village
Greenfield692983994-1.11%5742 City
Newark6939829810.1%8741 Village
Colfax694978981-0.31%1,7691 Village
Milledgeville695976984-0.81%1,4141 Village
Odell696972977-0.51%9031 Village
Shawneetown697970984-1.42%1,3221 City
Morrisonville698965970-0.52%9321 Village
Goodfield6999639600.31%5722 Village
McCullom Lake700961964-0.31%2,7690 Village
Wamac701955960-0.52%6751 City
South Pekin702954959-0.52%1,8521 Village
Energy703950953-0.31%7951 Village
Wenona704947951-0.42%1,2871 City
Harrison705943945-0.21%4482 CDP
Lake Carroll7069398806.7%6914 CDP
Rosiclare707938946-0.85%4842 City
Rapids City708930932-0.21%5722 Village
Ashton709927933-0.64%1,2861 Village
Beckemeyer7109259240.11%1,4991 Village
Coyne Center7119249180.65%5372 CDP
Hamel712924925-0.11%7761 Village
Leland713919923-0.43%1,7211 Village
Atkinson714917923-0.65%4812 Town
Sheldon715911920-0.98%1,2101 Village
Mansfield716910914-0.44%1,7911 Village
Raymond717907913-0.66%7221 Village
Gifford7189069060%2,0410 Village
Percy719905906-0.11%9231 Village
Timberlane720900901-0.11%5152 Village
Nauvoo721895902-0.78%2643 City
Pleasant Hill722895900-0.56%1,1701 Village
Odin723886894-0.89%8831 Village
Ramsey724886890-0.45%7971 Village
Dieterich725870874-0.46%6371 Village
Astoria726868877-1.03%1,4811 Town
Franklin Grove727865870-0.57%2,0790 Village
Argenta728864872-0.92%1,3231 Village
Shannon7298628511.29%1,7880 Village
Essex7308608560.47%3702 Village
Apple Canyon Lake7318508312.29%2294 CDP
Annawan732848854-0.7%3962 Town
Albany733846848-0.24%7901 Village
Wyanet734846852-0.7%8941 Village
Shabbona735845848-0.35%6591 Village
Glasford736843846-0.35%9281 Village
Oreana737843850-0.82%1,8010 Village
Grafton7388358033.99%2254 City
Ringwood739835836-0.12%2164 Village
Elkville7408338330%1,0861 Village
Mendon741831837-0.72%9701 Village
Viola742831837-0.72%9921 Village
Illiopolis743829831-0.24%1,2251 Village
Coulterville744824825-0.12%1,4481 Village
Roseville745819829-1.21%1,1081 Village
Pleasant Plains7468158140.12%6101 Village
Hanover747811819-0.98%7231 Village
New Milford7488098080.12%2873 Village
Clay City749802810-0.99%4502 Village
Paw Paw750795800-0.63%1,3271 Village
Hopedale751794798-0.5%8931 Village
Loami752791794-0.38%7821 Village
Sheffield753787792-0.63%6761 Village
Stonington754787793-0.76%1,7220 Village
Spaulding755786788-0.25%1,0481 Village
Ridgway756783794-1.39%8901 Village
Meredosia757782788-0.76%9051 Village
Lake Petersburg7587817770.51%4322 CDP
Galatia759770778-1.03%3942 Village
Newman760770771-0.13%1,2561 City
Enfield761769773-0.52%7611 Village
Brimfield762766768-0.26%8321 Village
Dallas City763763770-0.91%3212 City
Oak Run7647627491.74%1784 CDP
Cissna Park765761769-1.04%1,0501 Village
Union7667607254.83%9091 Village
Witt767756761-0.66%6111 City
Forest View768753759-0.79%6451 Village
Stronghurst769752762-1.31%8611 Village
Hardin770750757-0.92%3522 Village
Tilden7717507500%7691 Village
Hurst772746748-0.27%8411 City
Pearl City773744750-0.8%1,1521 Village
Hennepin774741744-0.4%1405 Village
Livingston775741745-0.54%7131 Village
Alexis776739747-1.07%1,5560 Village
East Galesburg777735739-0.54%5381 Village
Ridge Farm778735744-1.21%2413 Village
McLean779733734-0.14%6231 Village
Piper City780733735-0.27%1,3211 Village
Lost Nation7817317300.14%2992 CDP
Mitchell782730769-5.07%1,3061 CDP
Tonica783730733-0.41%5361 Village
West Salem784730737-0.95%4682 Village
Ogden7857297290%1,2401 Village
Orangeville786725732-0.96%1,0691 Village
Woodhull787723728-0.69%8231 Village
Braceville7887227220%2323 Village
South Wilmington7897207170.42%1,4630 Village
Taylor Springs790719722-0.42%6821 Village
Stewardson7917177170%1,1701 Village
Wataga792714718-0.56%8611 Village
Oakland793713716-0.42%9111 City
Greenview794712718-0.84%8291 Village
Ashkum795702709-0.99%8411 Village
Kinmundy796701706-0.71%5851 City
Tiskilwa797700707-0.99%1,5380 Village
Argyle7986906476.65%7871 CDP
Garden Prairie7996896466.66%1,0801 CDP
Sherrard800686687-0.15%7391 Village
Matherville801681685-0.58%1,7420 Village
Elizabeth802678683-0.73%7351 Village
Brookport803676683-1.02%1,0351 City
Oneida804673677-0.59%8821 City
Brownstown805672675-0.44%8811 Village
Plum Valley8066676256.72%3572 CDP
Tampico807666670-0.6%1,6900 Village
Godley8086646492.31%6131 Village
Mechanicsburg8096626620%6391 Village
Rest Haven8106616206.61%9661 CDP
La Moille811660665-0.75%6361 Village
Farmersville812658662-0.6%9311 Village
Avon813657664-1.05%1,4800 Village
Cordova814657660-0.45%1,1451 Village
Pocahontas815656662-0.91%8381 Village
Bradford816654658-0.61%1,6430 Village
Watson817651654-0.46%5961 Village
Aroma Park818648650-0.31%3442 Village
Alpha819644648-0.62%2,0710 Village
Bartelso8206446410.47%9801 Village
Deer Creek821643646-0.46%1,2021 Village
Windsor822643647-0.62%1,4680 Village
Potomac823641648-1.08%1,3140 Village
Findlay824640644-0.62%6931 Village
Kansas825640644-0.62%6261 Village
Saybrook826640642-0.31%7981 Village
Dongola827637641-0.62%5851 Village
Hopkins Park8286356300.79%1524 Village
Dalzell829633638-0.78%7721 Village
Kirkwood830633640-1.09%6741 Village
West City831633636-0.47%3942 Village
Cedarville832632638-0.94%1,3710 Village
Yates City833630633-0.47%1,2780 Village
Millington8346276250.32%8861 Village
Ashmore835622624-0.32%7731 Village
Coffeen836621624-0.48%5341 City
Cisne837619620-0.16%9831 Village
Golconda838616619-0.48%1,2081 City
Golden839616621-0.81%9601 Village
Creston840614616-0.32%5361 Village
Brooklyn841609616-1.14%7511 Village
Thayer842608612-0.65%9971 Village
Clayton843604610-0.98%6831 Village
Noble844604608-0.66%5941 Village
Holiday Hills845601603-0.33%6431 Village
New Boston846600602-0.33%6381 City
Woodlawn847600603-0.5%7041 Village
St. Libory848597602-0.83%6151 Village
Alhambra849595598-0.5%7871 Village
Bluford850594599-0.83%3752 Village
Crossville851590595-0.84%9221 Village
Green Valley852590594-0.67%1,9600 Village
Palmyra853588590-0.34%5891 Village
Bluffs854585591-1.02%6551 Village
Mounds855585596-1.85%4851 City
Como8565845830.17%5481 CDP
Bedford Park857583584-0.17%986 Village
Stanford858583585-0.34%8811 Village
Carlock8595825751.22%1,4730 Village
Franklin860580585-0.85%7001 Village
Ursa861578583-0.86%8381 Village
Mettawa8625775691.41%1065 Village
Niantic863577582-0.86%5551 Village
Fairmount864576582-1.03%1,8170 Village
Bismarck865562565-0.53%7561 Village
Danforth866559564-0.89%1,1690 Village
Edgington8675585236.69%5511 CDP
Irvington868558562-0.71%5521 Village
Davis869557562-0.89%1,3620 Village
Pittsburg870557559-0.36%2702 Village
Pesotum8715555540.18%9751 Village
Damiansville872554556-0.36%6741 Village
Vermont873553556-0.54%4401 Village
Williamsfield874550553-0.54%4471 Village
Willisville875550554-0.72%1,4140 Village
Schram City876547550-0.55%9661 Village
Ava8775465460%5171 City
Keithsburg8785455450%2133 City
Blandinsville879544547-0.55%6221 Village
Makanda8805395390%1025 Village
Murrayville881537541-0.74%1,0830 Village
Indian Creek8825365350.19%2,0070 Village
Evansville883535537-0.37%6791 Village
Andover884531535-0.75%5361 Village
Valier885531535-0.75%4721 Village
Augusta886530534-0.75%7671 Village
Lyndon887526527-0.19%6951 Village
Farina888525528-0.57%3601 Village
Custer Park8895244926.5%3,3380 CDP
Burlington890521523-0.38%767 Village
Wilsonville891521524-0.57%5451 Village
Junction City892519521-0.38%7591 Village
Tamaroa893519523-0.76%5421 Village
Crescent City894517522-0.96%1,1340 Village
Elsah895516517-0.19%4731 Village
Prairie du Rocher8965155120.59%9021 Village
Chandlerville897514516-0.39%6471 Village
Liberty898514518-0.77%1,3150 Village
Westfield899512516-0.78%5241 Village
Strasburg900509513-0.78%9411 Village
Dawson901508509-0.2%6411 Village
Congerville9025075050.4%5261 Village
St. Francisville903506516-1.94%6791 City
Trout Valley904505506-0.2%1,1800 Village
Grand Ridge905504506-0.4%1,0910 Village
Mark906502504-0.4%4711 Village
Golf907501502-0.2%1,1180 Village
Cullom908500503-0.6%1,4790 Village
Patoka909499503-0.8%4481 Village
Wapella910499501-0.4%9061 Village
Hoyleton911498501-0.6%6551 Village
Creal Springs912494496-0.4%4811 City
Hammond913494496-0.4%6531 Village
St. David914494499-1%1,5290 Village
North City915493496-0.6%2272 Village
Shipman916493496-0.6%3731 Town
Equality917492499-1.4%5611 Village
Cowden918491495-0.81%1,2210 Village
Spring Bay9194914870.82%7141 Village
Mulberry Grove920489494-1.01%4811 Village
Dahlgren921488490-0.41%4801 Village
East Lynn9224854556.59%1,8300 CDP
Reynolds923482485-0.62%1,3100 Village
Iuka924481485-0.82%6561 Village
Woodson925477480-0.63%1,2110 Village
Thompsonville926476477-0.21%2342 Village
Grand Tower9274744740%3801 City
Chadwick928473474-0.21%1,5210 Village
Cameron9294714426.56%7441 CDP
Dakota930469474-1.05%1,8840 Village
Oak Grove9314694690%7131 Village
St. Rose9324694670.43%7941 Village
Tower Hill933469471-0.42%4671 Village
Hutsonville934468469-0.21%7521 Village
Rankin935464469-1.07%8011 Village
Fithian936463468-1.07%1,2090 Village
Mound City937461471-2.12%6831 City
San Jose938461465-0.86%1,1140 Village
Buckley939458463-1.08%1,4490 Village
Buda940458461-0.65%4521 Village
Versailles9414584560.44%4911 Village
Sidell942456461-1.08%4921 Village
Chapin943454458-0.87%4551 Village
Boody9444534422.49%3941 CDP
Camargo9454524520%3591 Village
Ohio946452455-0.66%7081 Village
Dix947451453-0.44%2172 Village
Ullin948450455-1.1%1603 Village
Emden949449451-0.44%1,9110 Village
Trivoli9504484206.67%2942 CDP
Altona951445448-0.67%4741 Village
Sun River Terrace952445447-0.45%7661 Village
Kaneville953443445-0.45%1,5540 Village
Ashley954441444-0.68%3911 City
Bowen955440443-0.68%1,0280 Village
Lenzburg956439443-0.9%3801 Village
Tovey957439443-0.9%1,9690 Village
De Land958438440-0.45%1,0330 Village
Cornell959437439-0.46%6681 Village
Pierron960437441-0.91%5951 Village
Allendale961436439-0.68%1,4200 Village
Elkhart962435437-0.46%2322 Village
Mount Auburn963433436-0.69%4341 Village
Buffalo964431433-0.46%1,2490 Village
Norwood965431432-0.23%1,4040 Village
Hoffman966428429-0.23%8461 Village
Lostant967428429-0.23%3791 Village
Dalton City968426431-1.16%7981 Village
Rock Island Arsenal9694234064.19%2692 CDP
Carman9704223966.57%1,0320 CDP
Towanda971422424-0.47%5671 Village
Beecher City972420421-0.24%4691 Village
Tallula973419421-0.48%7891 Village
Ipava974418422-0.95%1,5600 Village
Melvin9754184180%1,2080 Village
Hecker976416418-0.48%1,5580 Village
Moro9774153896.68%1,8950 CDP
Cherry978414417-0.72%7811 Village
Leaf River979414416-0.48%4761 Village
Plymouth980414417-0.72%7331 Village
Hopewell981413414-0.24%3641 Village
Hillsdale9824124120%6361 Village
Naplate983411412-0.24%2,5210 Village
Scales Mound984411415-0.96%6541 Village
German Valley985409413-0.97%8800 Village
Saunemin986404405-0.25%1,7490 Village
Fairview987402406-0.99%954 Village
Keyesport9884024020%5581 Village
Monroe Center989402404-0.5%3321 Village
Sorento990402405-0.74%5041 Village
Neponset991401404-0.74%4001 Village
Sadorus9924014000.25%3901 Village
Benson993400402-0.5%2,4540 Village
Kings9943963726.45%2,5880 CDP
Prairie City995395397-0.5%3921 Village
Waltonville996395398-0.75%3191 Village
Whiteash9973943696.78%4521 CDP
Buckner998393395-0.51%4511 Village
Karnak999392397-1.26%2172 Village
Edgewood1000389390-0.26%3841 Village
Carbon Hill10013873850.52%2,1260 Village
Industry1002383385-0.52%8330 Village
Bondville1003380381-0.26%1,5140 Village
Waynesville1004374375-0.27%1,1720 Village
Varna1005370371-0.27%1,2460 Village
New Haven1006369374-1.34%2971 Village
Sublette1007368370-0.54%9200 Village
Dowell10083673670%9410 Village
Lomax1009367373-1.61%3091 Village
Hull1010366369-0.81%2012 Village
Crab Orchard10113653630.55%2621 CDP
East Carondelet1012365369-1.08%3101 Village
Xenia1013363366-0.82%7360 Village
Bonnie1014360362-0.55%2821 Village
Medora1015360362-0.55%9470 Village
Irving1016358360-0.56%3991 Village
Weldon10173583580%1,3410 Village
Herrick1018356357-0.28%9730 Village
Arenzville1019354356-0.56%4611 Village
Humboldt1020354355-0.28%1,0320 Village
Joy1021354356-0.56%8270 Village
Sparland1022353354-0.28%6171 Village
Bay View Gardens10233523520%6191 Village
Tamms1024350361-3.05%1502 Village
Cutler1025349352-0.85%7460 Village
Good Hope1026349351-0.57%1,1630 Village
Jeffersonville1027347348-0.29%3431 Village
Roberts10283453450%7170 Village
Blairsville10293433226.52%3401 CDP
Olive Branch1030343376-8.78%369 CDP
Seymour10313403380.59%3,6560 CDP
Bonfield1032338340-0.59%6870 Village
Grantfork10333383380%9180 Village
London Mills1034338340-0.59%4941 Village
Belgium1035337340-0.88%7760 Village
New Douglas1036336337-0.3%3211 Village
Secor10373363360%1,1590 Village
Bellflower10383343340%8980 Village
Apple River1039329331-0.6%4671 Village
Ellis Grove10403283280%6680 Village
Dundas10413253056.56%4861 CDP
Summerfield1042325328-0.91%6341 Village
Table Grove1043325329-1.22%1,1520 Village
Joppa1044324328-1.22%6670 Village
Loda1045324327-0.92%2211 Village
Dayton1046323336-3.87%1762 CDP
Middletown1047321322-0.31%9410 Village
New Canton1048320322-0.62%3631 Town
Latham1049319321-0.62%1,1680 Village
Mason1050319320-0.31%2481 Town
Alexander10513182986.71%3231 CDP
Panama1052318319-0.31%8710 Village
Orient1053317319-0.63%4261 City
Flat Rock1054316317-0.32%3691 Village
Greenwood10553153150%1193 Village
Martinton1056314317-0.95%1,1460 Village
Sigel1057314315-0.32%1,1170 Town
Baldwin1058313314-0.32%4701 Village
Hanaford1059312313-0.32%3101 Village
Broadlands1060310311-0.32%9630 Village
Chestnut10613093051.31%2,5120 CDP
Ransom10623083080%3081 Village
Ruma1063308309-0.32%4151 Village
St. Peter1064308310-0.65%5911 Village
Hume1065307310-0.97%5421 Village
Campbell Hill1066306307-0.33%6620 Village
Kenney10673063060%1,0850 Village
Lee1068306307-0.33%1,5450 Village
Malden1069306308-0.65%1,1210 Village
Seatonville1070306309-0.97%5301 Village
Mount Clare1071303304-0.33%1972 Village
Alma1072301303-0.66%2661 Village
Alto Pass1073301303-0.66%1412 Village
Perry1074301303-0.66%7800 Village
Armington1075300302-0.66%1,0530 Village
Ludlow1076299300-0.33%7530 Village
Coalton1077297299-0.67%5601 Village
Belle Rive1078296298-0.67%2881 Village
Easton1079295298-1.01%1,2290 Village
Ewing1080292294-0.68%2891 Village
Taylor Ridge10812922736.96%1882 CDP
Loraine1082291292-0.34%3451 Village
Fillmore1083290292-0.68%4371 Village
Royal10842872870%1,5680 Village
Sibley10852872870%5970 Village
Manlius1086286288-0.69%8970 Village
Beaverville1087285288-1.04%1,0360 Village
Kampsville1088285288-1.04%2791 Village
Millbrook10892852830.71%1542 Village
Fayetteville1090282284-0.7%9530 Village
Rock City1091282284-0.7%2,0740 Village
Virgil1092282283-0.35%1292 Village
Biggsville1093280283-1.06%8310 Village
Lisbon10942762750.36%1302 Village
Bureau Junction1095274276-0.72%1712 Village
Elliott10962742740%5500 Village
Kane1097273276-1.09%5021 Village
Raleigh1098273275-0.73%1382 Village
Hindsboro1099271272-0.37%1,0070 Village
Langleyville1100271281-3.56%6900 CDP
McNabb1101271272-0.37%1,5310 Village
Arrowsmith1102269270-0.37%1,3650 Village
Freeman Spur1103269270-0.37%6740 Village
Nebo1104269270-0.37%6200 Village
Ridgefield11052682526.35%5121 CDP
Kingston Mines1106265266-0.38%1841 Village
Opdyke11072652640.38%5021 CDP
Compton1108264265-0.38%1,6000 Village
New Holland1109264265-0.38%8520 Village
Winslow1110264267-1.12%5760 Village
Lawrence11112622466.5%7120 CDP
Ivesdale11122612610%3651 Village
Little York1113261264-1.14%1,1700 Village
Bath1114260262-0.76%7120 Village
Campbell's Island11152602437%5730 CDP
Sawyerville1116260261-0.38%2631 Village
Brocton1117259261-0.77%4531 Village
Cedar Point1118258259-0.39%2531 Village
Mossville11192582426.61%2061 CDP
Olmsted1120258262-1.53%773 Village
East Gillespie1121256258-0.78%8030 Village
Manchester1122255258-1.16%2401 Village
Plainville1123255257-0.78%1,0850 Village
Rutland11242552550%3671 Village
Victoria1125255257-0.78%5650 Village
Henderson1126254255-0.39%9580 Village
Kilbourne1127254256-0.78%2861 Village
Hartsburg1128252253-0.4%1,6800 Village
Magnolia1129252253-0.4%8050 Village
Addieville1130251252-0.4%2531 Village
Mapleton1131251252-0.4%2841 Village
Cisco1132249250-0.4%1,3680 Village
Grand Detour1133248259-4.25%2121 CDP
Allerton1134247250-1.2%3641 Village
Dunfermline1135247249-0.8%1,6800 Village
Kingston11362422276.61%1,1360 CDP
Serena11372402256.67%9760 CDP
Chemung1138238242-1.65%8470 CDP
McCook1139237239-0.84%913 Village
Vergennes11402372360.42%6730 Village
Bellmont1141236237-0.42%7260 Village
Buckingham1142236237-0.42%9400 Village
East Cape Girardeau1143236244-3.28%1202 Village
Bush1144235236-0.42%5160 Village
Cabery11452332330%6770 Village
Donovan1146233235-0.85%7100 Village
Prairietown11472332186.88%1,2390 CDP
Kappa11482322320%6500 Village
Woodland1149232234-0.85%4730 Village
Richview1150228229-0.44%1981 Village
Kangley1151227228-0.44%8700 Village
Lowpoint11522262126.6%9960 CDP
Ste. Marie1153225226-0.44%2031 Village
Oakford1154224226-0.88%9000 Village
Burtons Bridge11552222086.73%1,8050 CDP
Lakewood Shores1156222292-23.97%6380 CDP
Plattville11572222210.45%982 Village
Steward1158221222-0.45%1,6740 Village
Troy Grove11592212210%3221 Village
Alvan (Alvin)1160219221-0.9%2761 Village
Cypress11612192190%2911 Village
Elizabethtown1162219221-0.9%3111 Village
Standard1163219220-0.45%3081 Village
White City11642182170.46%1801 Village
Cave-In-Rock1165217219-0.91%5800 Village
Stonefort1166217218-0.46%1491 Village
Lerna1167216217-0.46%1,8780 Village
Gladstone1168215218-1.38%5970 Village
Holcomb11692152026.44%2,4160 CDP
Indianola1170215217-0.92%5540 Village
Montrose11712152150%3381 Village
Sammons Point1172213214-0.47%1152 Village
Maquon1173211213-0.94%1,3020 Village
McClure1174210217-3.23%1372 Village
Curran11752092090%1062 Village
Palmer1176208209-0.48%2091 Village
Verona11772082070.48%1,2610 Village
Buncombe11782072070%1741 Village
Forest City1179206208-0.96%3941 Village
Gays1180206208-0.96%5340 Village
Milton11812052050%5310 Village
Menominee1182204205-0.49%1072 Village
Rio1183203204-0.49%6510 Village
Bardolph1184202203-0.49%3271 Village
Bulpitt1185202204-0.98%2,9280 Village
Eagle Lake11862021896.88%3361 CDP
Seaton1187202204-0.98%1282 Village
Galt11882011886.91%6880 CDP
Owaneco1189201202-0.5%4390 Village
Omaha1190200203-1.48%2691 Village
Thawville1191200202-0.99%6510 Village
Lake Ka-Ho11921991980.51%7010 Village
Mineral1193198199-0.5%5840 Village
Henning1194197199-1.01%1292 Village
Long Point1195197198-0.51%1,0650 Village
Oakdale11961971970%1252 Village
Penfield11971951950%7590 CDP
Nason1198194195-0.51%2131 City
Nilwood1199194195-0.51%4170 Town
Reddick1200193194-0.52%8080 Village
Jewett1201192193-0.52%1911 Village
Vermilion1202190192-1.04%3481 Village
Wellington1203190192-1.04%7980 Village
Unity12041881776.21%2681 CDP
La Clede12051861746.9%6060 CDP
Parkersburg12061851850%2241 Village
Shumway12071851850%5570 Village
Ophiem12081831726.4%1551 CDP
Smithfield1209182183-0.55%3910 Village
Caledonia12101811810%1751 Village
Kinderhook1211181182-0.55%2241 Village
Radom12121801800%1721 Village
Waggoner12131801800%7380 Village
Du Bois12141791790%1701 Village
Alsey1215178180-1.11%3241 Village
Ellsworth1216178179-0.56%8200 Village
Lane12171781676.59%1,4470 CDP
Broughton1218177178-0.56%942 Village
Kempton12191771770%1,0730 Village
White Heath1220176183-3.83%5160 CDP
Spillertown1221175176-0.57%3301 Village
Modesto1222174175-0.57%3111 Village
Wilton Center12231741636.75%3151 CDP
Bone Gap1224173175-1.14%2971 Village
Colp1225173174-0.57%1,2910 Village
Royal Lakes12261721710.58%3690 Village
Solon Mills12271721626.17%8820 CDP
Gorham12281711710%1401 Village
Williamson1229171172-0.58%1461 Village
Hooppole1230170171-0.58%4570 Village
Thebes1231170176-3.41%972 Village
Keensburg1232169170-0.59%6500 Village
Mill Shoals1233169170-0.59%2201 Village
Kell1234168169-0.59%1681 Village
Rockbridge1235168170-1.18%2281 Village
Sims12361681680%1421 Village
Harvel1237167168-0.6%2321 Village
Willow Hill12381671670%1611 Village
De Witt12391661650.61%7000 Village
Arlington1240163164-0.61%4130 Village
Baylis1241163164-0.61%3460 Village
Bryant12421631630%6570 Village
Chesterfield1243163164-0.61%3011 Village
Norris1244163165-1.21%5760 Village
Butler12451621620%2721 Village
Huey12461611610%7450 Village
New Minden1247161162-0.62%5810 Village
Anchor12481591590%9300 Village
Coleta1249159160-0.63%4300 Village
Old Mill Creek1250158159-0.63%1511 Village
Banner12511571570%1221 Village
Fieldon1252157159-1.26%7770 Village
North Henderson1253157158-0.63%6950 Village
Dana12541561560%7090 Village
Batchtown1255154156-1.28%832 Village
Claremont1256154155-0.65%1941 Village
Ritchie12571541446.94%1491 CDP
St. Johns1258154155-0.65%2121 Village
New Burnside12591521520%1451 Village
Calhoun1260151152-0.66%1661 Village
Cooksville1261151152-0.66%6960 Village
La Fayette1262151152-0.66%7990 Village
Nachusa12631511426.34%1981 CDP
Cleveland1264150151-0.66%5100 Village
Concord1265150151-0.66%6020 Village
Adams12661491406.43%672 CDP
Maeystown12671481480%5020 Village
Smithboro1268148149-0.67%1591 Village
Coatsburg1269147148-0.68%1,1140 Village
Donnellson1270147148-0.68%3960 Village
Trilla12711451366.62%7510 CDP
Muncie1272144146-1.37%8040 Village
Elvaston1273143144-0.69%1791 Village
Berlin12741411410%1581 Village
Eldred1275141142-0.7%1,0520 Village
Lima1276141142-0.7%1,0440 Village
New Grand Chain1277141143-1.4%1351 Village
Gilson1278140143-2.1%4230 CDP
Hartland12791401326.06%4390 CDP
Hettick1280140141-0.71%3840 Village
Broadwell12811381380%7670 Village
Campus1282138139-0.72%1,5000 Village
Pulaski1283138140-1.43%1051 Village
Cantrall1284137138-0.72%5480 Village
Marley12851371287.03%1,3050 CDP
Littleton12861351350%1161 Village
West Union1287135145-6.9%752 CDP
Adair1288134138-2.9%3120 CDP
Oconee1289134135-0.74%3760 Village
West Point1290133134-0.75%7920 Village
Browns1291132133-0.75%4550 Village
Metcalf1292132133-0.75%2221 Village
Sauget1293132133-0.75%295 Village
Dover1294131132-0.76%4820 Village
Redmon1295131132-0.76%9030 Village
Allenville12961291290%2121 Village
Garrett12971291290%1,1940 Village
Iroquois1298129130-0.77%2281 Village
Paloma12991281206.67%4400 CDP
Lake City13001271196.72%3280 CDP
Papineau1301127128-0.78%6110 Village
Standard City1302127128-0.78%2001 Village
West Brooklyn1303126127-0.79%1,3400 Village
Beason1304124128-3.13%2860 CDP
Dorchester1305123124-0.81%1701 Village
Nelson1306123124-0.81%3450 Village
Preemption13071231156.96%1111 CDP
Symerton13081231230%7830 Village
Venedy13091221220%4340 Village
Ridott1310121122-0.82%1,5130 Village
Leonore13111201200%1,3480 Village
Mound Station13121201190.84%2311 Village
Baileyville13131181116.31%4880 CDP
Fowler13141181116.31%8740 CDP
Ferris1315117118-0.85%592 Village
Harmon13161161160%5320 Village
Browning1317115116-0.86%3710 Village
Eagarville13181141140%1251 Village
New Salem1319114115-0.87%1091 Village
Springerton13201131130%8250 Village
Brussels1321112113-0.88%2001 Village
St. Augustine1322112113-0.88%1891 Village
Bishop Hill13231111110%2081 Village
Burton13241111046.73%3360 CDP
Longview13251111110%4490 Village
Nora13261091090%1311 Village
Media1327108109-0.92%642 Village
Columbus1328107108-0.93%4890 Village
Hidalgo13291071070%3110 Village
Glasgow1330105106-0.94%1041 Village
Ohlman1331105106-0.94%3270 Village
Stoy13321051050%1131 Village
Pearl13331041040%692 Village
Cable1334102966.25%901 CDP
Goofy Ridge1335101117-13.68%751 CDP
Old Shawneetown1336101102-0.98%1981 Village
Strawn13371011010%8210 Village
LaPlace1338100110-9.09%1531 CDP
Tennessee13391001000%2350 Village
Marietta134099990%3630 Village
Vernon134199990%1121 Village
Emington134298980%1,1810 Village
Jeisyville13439899-1.01%8030 Village
La Rose134497970%3800 Village
Wheeler134597970%1681 Village
Eddyville134696960%3420 Village
Pontoosuc13479697-1.03%681 Village
Naples13489596-1.04%1571 Town
Raritan13499596-1.04%1,0000 Village
Iola13509495-1.05%981 Village
Mount Erie135194940%2450 Village
Scottville135294940%941 Village
Olivet135393114-18.42%622 CDP
Fidelity13549293-1.08%9110 Village
Hamburg13559293-1.08%1761 Village
Merritt135692875.75%2,3590 CDP
Triumph135792875.75%6170 CDP
Maunie13589192-1.09%5720 Village
Walnut Hill13599192-1.09%2390 Village
Hillview13609091-1.1%1101 Village
Lynnville13619091-1.1%1,1690 Village
Shirley136290847.14%1,0230 CDP
Liverpool13638990-1.11%1,0600 Village
Sailor Springs13648990-1.11%3420 Village
Dewey136587826.1%8970 CDP
Belknap136686860%811 Village
Kinsman136786860%1,2650 Village
Wedron136885806.25%1641 CDP
Russellville13698486-2.33%2100 Village
Wilmington13708485-1.18%1071 Village
Ellisville13718384-1.19%3060 Village
Exeter13728283-1.2%1191 Village
Rose Hill137382820%1291 Village
Otterville13748182-1.22%811 Town
East Brooklyn137580791.27%1,5380 Village
Lorenzo137679746.76%2560 CDP
Old Ripley13777879-1.27%5060 Village
Osco137878736.85%4170 CDP
Basco137976760%3420 Village
Foosland138075750%1,0870 Village
Literberry138175707.14%921 CDP
Adeline138274740%2780 Village
Detroit138374740%2950 Village
Marcelline138474697.25%1,4800 CDP
New Bedford138574740%4770 Village
Johnsonville138670700%3290 Village
Irwin138766660%1,4670 Village
Nekoma138866626.45%5040 CDP
Cornland138965616.56%6840 CDP
Yale139065650%1131 Village
Annapolis139163596.78%1790 CDP
Mulkeytown13926370-10%2290 CDP
Camden139361610%801 Village
El Dara139461610%601 Village
Golden Gate139561610%7720 Village
Bingham139660600%2190 Village
Smithville139760575.26%471 CDP
Rockport139859557.27%1380 CDP
Walshville139959590%2320 Village
Muddy140056560%1850 Village
Mill Creek140155550%1460 Village
Topeka140255550%4010 Village
Joslin140354515.88%125 CDP
West York14045459-8.47%4060 CDP
Barstow140553506%5000 CDP
Andres140652488.33%4370 CDP
Junction14075253-1.89%631 Village
Ripley140851510%1350 Village
Union Hill140951510%7850 Village
Keenes141049490%3770 Village
West Liberty141146436.98%901 CDP
Belle Prairie City141245450%1030 Town
Alden141344424.76%3490 CDP
Millersburg141444424.76%1480 CDP
Simpson141544440%841 Village
Hollowayville141643430%8780 Village
Panola141743430%1000 Village
Elwin141841387.89%491 CDP
Deer Grove141940392.56%970 Village
La Prairie142039390%2020 Village
Lynn Center142138365.56%1940 CDP
Gulfport142237370%261 Village
Beverly142336339.09%261 CDP
Sciota142435350%1120 Village
Swedona142534326.25%1200 CDP
Oxville142633316.45%9710 CDP
Phillipstown142733330%1220 Village
Riggston142833316.45%1,2690 CDP
Burnt Prairie142932320%4210 Village
Rockwood143030300%1420 Village
Macedonia143129290%1070 Village
Wenonah143227270%182 Village
Bentley143325250%1750 Town
Fults143425250%4720 Village
Kaskaskia143523230%2170 Village
Meyer143623224.55%1620 CDP
Illinois City143722214.76%480 CDP
Lakewood143822214.76%550 CDP
Harding1439201811.11%1180 CDP
Janesville144017166.25%2790 CDP
Florence144116160%580 Village
Valley City144215150%560 Village
Niota1443550%101 CDP
IL State Flag

About Illinois

Illinois has a multi-layered municipal structure with 102 counties and over 1,200 incorporated cities, towns, and villages, each serving different roles within the state’s governance framework. Counties are responsible for delivering broad services like public health, infrastructure, and emergency response across rural areas, while cities and towns focus on local services, planning, and development.

Cook County, home to Chicago, represents Illinois‘s most complex municipal structure. Chicago operates a strong mayor-council system, where the mayor holds significant executive powers over city departments, including the police, sanitation, and housing. The Chicago City Council, composed of aldermen from 50 wards, legislates for the city, creating laws and budgets specific to Chicago’s urban context. Surrounding unincorporated areas within Cook County rely on county services such as law enforcement, road maintenance, and public health.

Smaller municipalities across Illinois often employ council-manager systems, where an elected council hires a manager to oversee administration. This model is common in suburban cities like Naperville, where the city manager coordinates daily functions, allowing elected officials to focus on policymaking. This system promotes efficiency in cities with moderate populations, where balancing professional oversight and representative governance is essential.

Counties in Illinois are governed by boards of commissioners, who manage countywide issues and services. Rural counties, like Alexander County and Henderson County, primarily support agricultural land management, emergency response, and infrastructure needs. These areas contain significant unincorporated regions, relying heavily on county governments for services.

Unincorporated areas, particularly in suburban counties like DuPage County, feature CDPs such as Willowbrook, where residents depend on county administration for essential services. These regions, though heavily populated, have not formally incorporated, opting instead to leverage county resources for local governance.

Illinois also coordinates with regional planning commissions, which assist municipalities and counties with land use, transportation, and economic initiatives. This networked approach helps Illinois cities and counties adapt to regional challenges while remaining aligned with state policies.

Biggest City

Chicago is the biggest city in Illinois, with a population of 2,709,364 in 2026.

Fastest Growing City

Harding is the fastest growing city in Illinois over the past 6 years, having grown 11.11% annually since 2020.