Cook County Population 2017

Cook County's estimated population is 5,203,499 with a growth rate of -0.41% in the past year according to the most recent United States census data. Cook County is the 1st largest county in Illinois.

Year Population Growth Growth Rate
20165,203,499-21,324-0.41%
20155,224,823-14,431-0.28%
20145,239,254-1,029-0.02%
20135,240,28310,2670.20%
20125,230,01615,3340.29%
20115,214,68215,1820.29%
20105,199,50094,4331.85%
19905,105,067-148,588-2.83%
19805,253,655-238,714-4.35%
19705,492,369362,6447.07%
19605,129,725620,93313.77%
19504,508,792445,45010.96%
19404,063,34281,2192.04%
19303,982,123929,10630.43%
19203,053,017647,78426.93%
19102,405,233566,49830.81%
19001,838,735646,81354.27%
18901,191,922584,39896.19%
1880607,524257,55873.60%
1870349,966205,012141.43%
1860144,954101,569234.11%
185043,38533,184325.30%
184010,2010.00%

Cook County Population Growth

Population Data via

Cook County Race Data

Race Population Percentage
White3,432,10565.96%
Black or African American1,273,21424.47%
Asian378,9817.28%
Two or More Races97,4591.87%
American Indian and Alaska Native39,1880.75%
Native Hawaiian and Other Pacific Islander3,8760.07%

Cook County Population Pyramid

0k50k100k150k200kCook County Male Population0k50k100k150k200kCook County Female Population

Population of Cities in Cook County

City 2010 Census 2016 Estimated Growth Growth Rate
Chicago2695620270495893380.35%
Cicero8424182992-1249-1.48%
Arlington Heights75089755254360.58%
Evanston74485748954100.55%
Schaumburg74229744462170.29%
Palatine68551687662150.31%
Skokie6484564270-575-0.89%
Orland Park566645886221983.88%
Des Plaines5838558141-244-0.42%
Tinley Park568225683190.02%
Oak Lawn5669056257-433-0.76%
Berwyn5665355748-905-1.60%
Mount Prospect5417754171-6-0.01%
Oak Park5187851774-104-0.20%
Hoffman Estates5188651738-148-0.29%
Glenview447194747527566.16%
Streamwood39839401663270.82%
Wheeling37642383156731.79%
Hanover Park3795638044880.23%
Park Ridge3747937496170.05%
Calumet City3711636732-384-1.03%
Northbrook33197334212240.67%
Elk Grove Village3312532931-194-0.59%
Chicago Heights3036730026-341-1.12%
Niles2980629617-189-0.63%
Burbank2892528886-39-0.13%
Lansing2835128086-265-0.93%
Oak Forest2795427792-162-0.58%
Wilmette27058272191610.60%
Melrose Park2541425229-185-0.73%
Harvey2526424947-317-1.25%
Elmwood Park2488324626-257-1.03%
Rolling Meadows2409524021-74-0.31%
Maywood2410023756-344-1.43%
Blue Island2370123401-300-1.27%
Morton Grove2324523227-18-0.08%
Dolton2307422891-183-0.79%
South Holland2201421817-197-0.89%
Park Forest2197921785-194-0.88%
Evergreen Park1984819637-211-1.06%
Homewood1930719175-132-0.68%
Alsip1927119158-113-0.59%
Bellwood1905519107520.27%
Matteson1902619097710.37%
Brookfield1897418753-221-1.16%
Franklin Park1831118110-201-1.10%
Palos Hills1748017410-70-0.40%
Lemont16054168958415.24%
Country Club Hills1654416637930.56%
Westchester1671516563-152-0.91%
Bridgeview1644416248-196-1.19%
Prospect Heights1626016242-18-0.11%
La Grange1555015610600.39%
Midlothian1481514699-116-0.78%
Chicago Ridge1430414236-68-0.48%
Hickory Hills1404913992-57-0.41%
Forest Park1417113982-189-1.33%
Hazel Crest1400913892-117-0.84%
Richton Park1363313557-76-0.56%
La Grange Park1358013483-97-0.71%
Riverdale1354913398-151-1.11%
Western Springs12948133914433.42%
Justice1292612844-82-0.63%
Markham1253312565320.26%
Lincolnwood1259012527-63-0.50%
Palos Heights1251712438-79-0.63%
Winnetka12198124172191.80%
Schiller Park1179311692-101-0.86%
River Forest1117211088-84-0.75%
Worth1078910681-108-1.00%
Lyons1073310621-112-1.04%
River Grove1024610134-112-1.09%
Steger95679456-111-1.16%
Flossmoor94419362-79-0.84%
Glenwood89908911-79-0.88%
Glencoe872088941742.00%
Riverside88758748-127-1.43%
Harwood Heights86088549-59-0.69%
Hillside81628081-81-0.99%
Broadview79197823-96-1.21%
Posen59825929-53-0.89%
Willow Springs56655648-17-0.30%
Robbins533754601232.30%
Berkeley52075148-59-1.13%
Olympia Fields49214913-8-0.16%
Stone Park49464883-63-1.27%
Palos Park48394838-1-0.02%
Hometown43494298-51-1.17%
Kenilworth25082520120.48%
Thornton23862461753.14%
Bedford Park589582-7-1.19%
Golf49349410.20%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990