Skip to main content
ZipCityLookup
County ProfileIL

Cook County

Population: 5,275,541 · 216 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
5,275,541
People
Median age
38
Housing
Total households
2,100,230
Income
Median household income
$83,498
Housing
Total housing units
2,276,493
Employment
Employment rate
61.5%
Education
Bachelor’s degree or higher
42.7%
Healthcare
Insured population
91.1%
County details
Local time 02:46:33(CT)
NameCook
Total ZIP codes216total
ZIP codes (by type)
166 Standard24 PO Box26 Unique
Area code224, 312, 331, 464, 630, 708, 773, 779, 815, 847, 872
TimezoneCentral Time (CT)
Coordinates41.8942937, -87.6454546
Land area944.9 sq miles(2,447.4 km²)

Map of Cook county, Illinois with ZIP codes

Map of Cook County, Illinois and ZIP codes

Cities and Communities in Cook County

Compare the largest cities in Cook County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Chicago2,746,388$77,90284ZIPs
Cicero85,268$70,8421ZIPs
Schaumburg78,723$97,5147ZIPs
Evanston78,110$96,4345ZIPs
Arlington Heights77,676$116,7233ZIPs
Palatine67,908$97,8197ZIPs
Skokie67,824$95,3372ZIPs
Des Plaines60,675$97,8754ZIPs
Orland Park58,703$98,9102ZIPs
Oak Lawn58,362$83,9112ZIPs
Berwyn57,250$78,4081ZIPs
Mount Prospect56,852$101,7201ZIPs
Tinley Park55,971$105,1892ZIPs
Oak Park54,583$110,8204ZIPs
Hoffman Estates52,530$106,8063ZIPs
Glenview48,705$143,0562ZIPs
Park Ridge39,656$142,9861ZIPs
Streamwood39,577$101,2181ZIPs
Wheeling39,137$85,2051ZIPs
Hanover Park37,470$91,7631ZIPs
Calumet City36,033$55,3691ZIPs
Northbrook35,222$157,7822ZIPs
Elk Grove Village32,812$94,1752ZIPs
Niles30,912$75,2741ZIPs
Burbank29,439$80,1161ZIPs
Lansing29,076$75,5691ZIPs
Wilmette28,170$190,6621ZIPs
Chicago Heights27,480$54,7982ZIPs
Oak Forest27,478$91,9901ZIPs
Morton Grove25,297$111,1161ZIPs
Melrose Park24,796$66,1893ZIPs
Elmwood Park24,521$91,9551ZIPs
Rolling Meadows24,200$98,5141ZIPs
Maywood23,512$68,8151ZIPs
Blue Island22,558$59,4891ZIPs
Park Forest21,687$61,0721ZIPs
South Holland21,465$85,2801ZIPs
Dolton21,426$57,8871ZIPs
Harvey20,324$42,4291ZIPs
Evergreen Park19,943$95,7191ZIPs
Brookfield19,476$110,2951ZIPs
Homewood19,463$100,1391ZIPs
Matteson19,073$95,4571ZIPs
Alsip19,063$66,5851ZIPs
Bellwood18,789$79,5131ZIPs
Palos Hills18,530$83,5331ZIPs
Franklin Park18,467$76,5191ZIPs
Lemont17,629$123,3701ZIPs
Bridgeview17,027$66,6551ZIPs
Westchester16,892$98,9541ZIPs
Country Club Hills16,775$75,1971ZIPs
La Grange16,321$159,9291ZIPs
Prospect Heights16,058$85,0081ZIPs
Hickory Hills14,505$77,2621ZIPs
Chicago Ridge14,433$68,9641ZIPs
Forest Park14,339$77,2211ZIPs
Midlothian14,325$70,0001ZIPs
Western Springs13,629$230,2551ZIPs
La Grange Park13,475$120,4081ZIPs
Lincolnwood13,463$109,7311ZIPs
Hazel Crest13,382$68,3931ZIPs
Richton Park12,775$64,5541ZIPs
Winnetka12,744$250,0011ZIPs
Justice12,600$57,1701ZIPs
Palos Heights12,068$108,7401ZIPs
Summit Argo11,746—1ZIPs
River Forest11,717$146,7861ZIPs
Schiller Park11,709$69,6961ZIPs
Markham11,661$57,3021ZIPs
Worth10,970$56,2881ZIPs
Crestwood10,826$75,7521ZIPs
Lyons10,817$70,9931ZIPs
Barrington10,722$147,9892ZIPs
Riverdale10,663$39,8331ZIPs
River Grove10,612$69,8581ZIPs
Flossmoor9,704$133,6631ZIPs
Steger9,584$66,5751ZIPs
Riverside9,298$153,6861ZIPs
Harwood Heights9,065$81,0861ZIPs
Glencoe8,849$248,9331ZIPs
Glenwood8,662$77,3911ZIPs
Hillside8,320$72,3201ZIPs
Broadview7,998$64,6971ZIPs
Willow Springs5,857$103,5831ZIPs
Posen5,632$73,0511ZIPs
Berkeley5,338$85,8231ZIPs
Palos Park4,899$121,6961ZIPs
Olympia Fields4,718$123,8751ZIPs
Robbins4,629$40,6681ZIPs
Stone Park4,576$67,2241ZIPs
Hometown4,343$61,1011ZIPs
Kenilworth2,514$250,0011ZIPs
Thornton2,386$59,6471ZIPs
Bedford Park602$99,0001ZIPs
Golf514$242,7721ZIPs
Hines131—1ZIPs

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Cook County

Review the most populated postal areas across Cook County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
60629Chicago$60,826114,453
60632Chicago$64,80992,237
60618Chicago$106,38490,316
60639Chicago$61,08989,543
60623Chicago$51,87887,649
60804Cicero$70,84285,673
60647Chicago$107,06085,631
60617Chicago$51,77877,270
60625Chicago$85,70376,525
60608Chicago$73,36675,770
60634Chicago$88,53375,694
60614Chicago$136,44873,173
60657Chicago$110,93972,316
60641Chicago$83,75869,354
60620Chicago$48,14666,514
60640Chicago$73,25465,941
60609Chicago$58,89665,770
60402Berwyn$77,71864,706
60619Chicago$45,20663,303
60628Chicago$54,64462,832

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS