Cook County, Illinois Cities (2026)

161 cities

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Chicago12,765,6362,745,1960.81%12,286225 City
Chicago22,709,3642,745,196-0.22%11,896228 City
Wheeling3155,980157,1450.78%4,34436 Township
Thornton4154,791157,2680.66%3,30147 Township
Worth5150,552152,7630.65%4,73232 Township
Proviso6149,204150,6190.69%5,02030 Township
Maine7137,970140,0650.63%5,32526 Township
Schaumburg8133,577134,3950.8%4,34531 Township
Lyons9113,933114,7580.73%3,13436 Township
Palatine10113,070114,0740.78%3,16736 Township
Niles11110,362112,1040.6%5,19221 Township
Bremen12106,233106,8270.93%2,81538 Township
Orland1398,32397,9510.91%2,75636 Township
Elk Grove1494,66495,1890.89%3,43428 Township
Leyden1591,53992,7710.59%4,59420 Township
Northfield1690,82091,2750.73%2,64934 Township
Bloom1784,81885,7050.71%1,82846 Township
Cicero1882,92084,9200.5%14,1386 Township
Cicero1980,67584,920-0.87%13,7556 Town
Evanston2076,79077,8180.51%9,8718 City
Schaumburg2176,43278,432-0.43%3,95119 Village
Evanston2275,10077,818-0.6%9,6548 City
Rich2374,97675,8920.66%2,06136 Township
Arlington Heights2474,69477,399-0.6%4,49617 Village
Palatine2565,09167,670-0.66%4,61114 Village
Skokie2664,93067,690-0.7%6,45210 Village
Des Plaines2758,02060,456-0.69%4,07514 City
Orland Park2857,75758,545-0.23%2,62222 Village
New Trier2956,93657,1820.77%3,58116 Township
Palos3056,22856,6530.74%1,66634 Township
Berwyn3155,74256,9960.53%14,2784 Township
Oak Lawn3255,72258,149-0.72%6,5019 Village
Mount Prospect3354,83756,705-0.56%5,11611 Village
Tinley Park3454,37055,828-0.44%3,36316 Village
Berwyn3554,23056,996-0.84%13,8914 City
Oak Park3653,49754,5740.52%11,3825 Township
Oak Park3752,13354,574-0.77%11,0925 Village
Hoffman Estates3850,19052,380-0.72%2,44421 Village
Glenview3947,17448,554-0.49%3,26014 Village
Stickney4040,84241,3720.67%3,27312 Township
Park Ridge4137,91639,502-0.69%5,3497 City
Wheeling4237,88239,223-0.59%4,3689 Village
Streamwood4337,81539,450-0.71%4,8438 Village
Hanover Park4436,35537,344-0.45%5,6616 Village
Calumet City4534,33035,905-0.76%4,7697 City
Northbrook4634,24335,152-0.44%2,58613 Village
Elk Grove Village4731,35432,697-0.71%2,66112 Village
Niles4829,48230,789-0.73%5,0416 Village
Burbank4928,23329,352-0.65%6,7714 City
Lansing5027,67828,964-0.77%3,7097 Village
Wilmette5127,12628,077-0.58%5,0225 Village
Norwood Park5226,89027,3320.58%7,3394 Township
Oak Forest5326,53427,371-0.52%4,4046 City
Chicago Heights5426,11427,371-0.79%2,54010 City
Morton Grove5524,09725,207-0.76%4,7365 Village
Lemont5623,93022,6382.16%1,17520 Township
Melrose Park5723,64624,705-0.74%5,4324 Village
Rolling Meadows5823,50724,182-0.47%4,1866 City
Maywood5923,33623,420-0.06%8,5893 Village
Elmwood Park6023,33324,428-0.77%12,2292 Village
Blue Island6121,47222,470-0.77%5,2744 City
Park Forest6220,71521,617-0.72%4,1765 Village
South Holland6320,46821,388-0.74%2,8297 Village
Dolton6420,37821,335-0.77%4,4585 Village
Harvey6519,54820,246-0.59%3,1506 City
Evergreen Park6619,01819,866-0.74%6,0133 Village
Brookfield6718,60619,442-0.74%6,0723 Village
Homewood6818,49619,374-0.78%3,6945 Village
Lemont6918,40317,8020.55%2,0149 Village
Matteson7018,33819,021-0.62%1,9749 Village
Alsip7118,22918,999-0.7%2,7927 Village
Calumet7218,17218,5310.58%4,1204 Township
Franklin Park7317,96718,395-0.39%3,7615 Village
Bellwood7417,84018,716-0.81%7,4402 Village
Palos Hills7517,80718,463-0.61%4,1944 City
Bridgeview7616,35916,959-0.61%3,9584 Village
Riverside7716,28816,6330.54%4,0464 Township
Westchester7816,05516,829-0.8%4,3564 Village
Country Club Hills7916,00116,712-0.73%3,2205 City
La Grange8015,76516,298-0.56%6,2443 Village
Prospect Heights8115,35315,991-0.69%3,6494 City
Norridge8214,62515,201-0.65%8,0892 Village
Hickory Hills8313,94914,456-0.6%4,9053 City
Chicago Ridge8413,86314,381-0.62%6,1122 Village
Midlothian8513,67514,259-0.7%4,8513 Village
Forest Park8613,62914,279-0.79%5,6742 Village
Western Springs8713,49913,589-0.11%4,8473 Village
La Grange Park8813,34313,691-0.43%5,9752 Village
Lincolnwood8912,87713,411-0.69%4,7833 Village
Hazel Crest9012,84113,426-0.75%3,5604 Village
Winnetka9112,39312,696-0.4%3,2524 Village
Richton Park9212,38512,741-0.47%2,8204 Village
Northlake9312,25312,793-0.73%3,8583 City
Justice9412,11812,564-0.61%4,2673 Village
River Forest9512,03312,2200.52%4,8522 Township
Palos Heights9611,92212,420-0.69%3,1594 City
River Forest9711,75312,220-0.66%4,7392 Village
Burr Ridge9811,21411,1780.05%1,5017 Village
Schiller Park9911,15411,666-0.76%4,0273 Village
Markham10011,12511,619-0.73%2,0585 City
Summit10110,58311,116-0.83%4,9942 Village
Worth10210,52310,934-0.64%4,4422 Village
Crestwood10310,40910,780-0.59%3,4143 Village
River Grove10410,34810,575-0.37%4,3282 Village
Lyons10510,27410,772-0.8%4,6552 Village
Riverdale10610,13810,620-0.78%2,8364 Village
Sauk Village1079,4969,889-0.68%2,3794 Village
Lynwood1089,3199,0790.43%1,8335 Village
Steger1099,2759,578-0.54%2,7253 Village
Flossmoor1109,2329,648-0.74%2,5224 Village
Worth1118,8668,864-0.11%24536 Township
Riverside1128,8149,263-0.84%4,4562 Village
Glencoe1138,6668,827-0.31%2,3314 Village
Harwood Heights1148,6189,029-0.78%10,4461 Village
Glenwood1158,2878,665-0.75%2,5393 Village
Hillside1167,9058,282-0.79%2,4953 Village
Broadview1177,8197,962-0.31%4,4002 Village
Inverness1187,3447,596-0.57%1,1247 Village
North Riverside1197,0457,393-0.82%4,2852 Village
Stickney1206,8087,090-0.69%3,5382 Village
Calumet Park1216,6696,992-0.8%5,9701 Village
Orland Hills1226,5826,863-0.71%5,7481 Village
Countryside1236,1676,404-0.63%2,1433 City
Willow Springs1245,7645,851-0.24%1,3894 Village
Northfield1255,5675,741-0.52%1,7243 Village
Posen1265,3335,572-0.74%4,5621 Village
Lake Barrington1275,1955,0900.35%9066 Village
Berkeley1285,0725,320-0.8%3,6181 Village
South Barrington1295,0595,065-0.02%6787 Village
Palos Park1304,7784,874-0.33%7786 Village
Robbins1314,5414,619-0.29%3,1341 Village
Olympia Fields1324,5344,710-0.64%1,5433 Village
Stone Park1334,4274,565-0.52%12,8690 Village
Hometown1344,1254,329-0.82%8,6120 City
Barrington Hills1354,0714,098-0.1%15127 Village
Indian Head Park1363,9054,058-0.64%4,1901 Village
Burnham1373,8594,030-0.72%2,0802 Village
South Chicago Heights1383,8304,000-0.73%2,4232 Village
Riverwoods1393,7833,7860%9544 Village
Rosemont1403,7633,939-0.76%2,1002 Village
Deer Park1413,6633,681-0.08%9984 Village
North Barrington1423,1453,1350.06%6665 Village
East Dundee1433,0863,175-0.48%1,0543 Village
Dixmoor1442,9123,008-0.55%2,3311 Village
Oakbrook Terrace1452,7202,746-0.15%2,0801 City
Kenilworth1462,4022,507-0.7%3,9571 Village
Thornton1472,2622,376-0.83%9522 Village
Riverside1481,9612,040-0.61%11317 Township
Merrionette Park1491,8871,962-0.63%5,0320 Village
Ford Heights1501,7241,807-0.81%8862 Village
Phoenix1511,6241,702-0.79%3,5000 Village
Port Barrington1521,5771,582-0.06%1,3591 Village
Hodgkins1531,4821,496-0.13%5463 Village
Bannockburn1541,3771,3760%6792 Village
East Hazel Crest1551,2361,289-0.72%1,5771 Village
Tower Lakes1561,2081,223-0.17%1,3141 Village
Brookfield1571,0521,066-0.09%2444 Township
Forest View158753789-0.79%6451 Village
Bedford Park159583589-0.17%986 Village
Golf160501510-0.2%1,1180 Village
McCook161237249-0.84%913 Village

Cook County Cities Summary

Largest City

Chicago is the largest city in Cook County, with a population of 2,765,636.

Smallest City

McCook is the smallest city in Cook County, with a population of 237.

10 Largest Cities

There are 161 cities in Cook County, Illinois.

Location of Cook County