There are 166 zip codes in Cook County, Illinois. The most populated is 60629, located in Chicago. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
60629108,997Chicago
6061892,235Chicago
6063286,372Chicago
6064785,685Chicago
6063985,248Chicago
6080484,189Cicero
6061783,188Chicago
6060882,749Chicago
6062580,296Chicago
6062376,611Chicago
6063475,873Chicago
6061471,701Chicago
6065771,192Chicago
6064168,968Chicago
6062068,330Chicago
6064067,317Chicago
6065165,229Chicago
6040264,659Berwyn
6060963,241Chicago
6001661,988Des Plaines
6062861,419Chicago
6061960,443Chicago
6063857,799Chicago
6045357,665Oak Lawn
6005656,651Mount Prospect
6063055,295Chicago
6062253,944Chicago
6041153,222Chicago Heights
6061652,707Chicago
6000452,189Arlington Heights
6061351,961Chicago
6063751,145Chicago
6064950,143Chicago
6062650,135Chicago
6064449,445Chicago
6064548,692Chicago
6064348,270Chicago
6020143,122Evanston
6061042,904Chicago
6066042,895Chicago
6061542,780Chicago
6065942,621Chicago
6065242,223Chicago
6010342,047Bartlett
6006242,004Northbrook
6046240,942Orland Park
6002540,858Glenview
6070740,845Elmwood Park
6019339,451Schaumburg
6010739,450Streamwood
6006839,332Park Ridge
6009038,753Wheeling
6006738,380Palatine
6007437,222Palatine
6013337,222Hanover Park
6047736,543Tinley Park
6040935,708Calumet City
6062435,664Chicago
6061135,247Chicago
6061234,459Chicago
6065334,364Chicago
6060534,314Chicago
6016933,910Hoffman Estates
6020233,868Evanston
6007633,170Skokie
6030233,063Oak Park
6000732,768Elk Grove Village
6052531,647La Grange
6071430,857Niles
6063130,418Chicago
6063629,833Chicago
6007729,330Skokie
6000529,216Arlington Heights
6065629,180Chicago
6045929,122Burbank
6043829,059Lansing
6001828,820Des Plaines
6060728,797Chicago
6064628,770Chicago
6065528,000Chicago
6009127,591Wilmette
6062126,997Chicago
6045226,939Oak Forest
6048726,198Tinley Park
6082725,538Riverdale
6016025,177Melrose Park
6046725,161Orland Park
6040624,959Blue Island
6005324,910Morton Grove
6070624,233Harwood Heights
6065423,475Chicago
6015323,385Maywood
6042623,213Harvey
6000822,863Rolling Meadows
6080322,198Alsip
6047321,695South Holland
6064221,444Chicago
6016421,371Melrose Park
6041921,283Dolton
6046621,243Park Forest
6044320,735Matteson
6043020,430Homewood
6019420,312Schaumburg
6009320,272Winnetka
6080519,730Evergreen Park
6051319,366Brookfield
6010418,621Bellwood
6046518,278Palos Hills
6013118,258Franklin Park
6030417,564Oak Park
6045517,204Bridgeview
6015416,694Westchester
6047816,591Country Club Hills
6019216,536Schaumburg
6054616,470Riverside
6060116,398Chicago
6007015,721Prospect Heights
6042915,069Hazel Crest
6002614,743Glenview Nas
6045714,650Hickory Hills
6044514,632Midlothian
6045814,360Justice
6041514,284Chicago Ridge
6013014,165Forest Park
6017314,067Schaumburg
6046313,687Palos Heights
6055813,557Western Springs
6052613,468La Grange Park
6071213,268Lincolnwood
6047113,237Richton Park
6063312,440Chicago
6050111,655Summit Argo
6017611,600Schiller Park
6030511,568River Forest
6066111,513Chicago
6042811,155Markham
6048211,084Worth
6041810,733Crestwood
6053410,670Lyons
6017110,532River Grove
6047510,185Steger
604649,779Palos Park
604229,735Flossmoor
604258,623Glenwood
600228,529Glencoe
601628,213Hillside
601557,965Broadview
604695,423Posen
604805,300Willow Springs
601635,273Berkeley
601955,018Schaumburg
604614,988Olympia Fields
604724,812Robbins
601654,566Stone Park
602034,540Evanston
604564,299Hometown
606063,513Chicago
603013,207Oak Park
600432,537Kenilworth
604762,169Thornton
606031,110Chicago
60602938Chicago
60604737Chicago
60029546Golf
60141280Hines
60208191Evanston
showing: 166 rows

Zip Codes in Cook County, Illinois by Population (2024)