Cook County, Illinois
167 ZIP codes · 944.92 sq mi of land · FIPS 17031
| Population | 5,182,090 |
|---|---|
| State | Illinois |
| FIPS code | 17031 |
| Time zone | Central |
| Land area | 944.92 sq mi |
| Center (lat, long) | 41.8943, -87.6455 |
Area codes in this area
These are the area codes that most often serve Cook County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
Elgin · 114,934Schaumburg · 76,868Evanston · 76,340Arlington Heights · 76,005Palatine · 66,293Skokie · 66,219Des Plaines · 59,156Berwyn · 55,595Mount Prospect · 55,472Oak Park · 53,292Hoffman Estates · 51,175Glenview · 47,752Streamwood · 39,001Park Ridge · 38,667Wheeling · 38,433Calumet City · 35,100Northbrook · 34,585Elk Grove Village · 31,987Wilmette · 27,503Chicago Heights · 26,736Morton Grove · 24,619Melrose Park · 24,549Rolling Meadows · 24,027Maywood · 23,201Blue Island · 21,741Bellwood · 18,256Franklin Park · 18,197Westchester · 16,436Prospect Heights · 15,618Chicago Ridge · 14,099
ZIP codes in Cook County
60004 Arlington Heights60005 Arlington Heights60007 Elk Grove Village60008 Rolling Meadows60010 Barrington60016 Des Plaines60018 Des Plaines60022 Glencoe60025 Glenview60026 Glenview60029 Golf60043 Kenilworth60053 Morton Grove60056 Mount Prospect60062 Northbrook60067 Palatine60068 Park Ridge60070 Prospect Heights60074 Palatine60076 Skokie60077 Skokie60090 Wheeling60091 Wilmette60093 Winnetka60104 Bellwood60107 Streamwood60120 Elgin60130 Forest Park60131 Franklin Park60141 Hines60153 Maywood60154 Westchester60155 Broadview60160 Melrose Park60162 Hillside60163 Berkeley60164 Melrose Park60165 Stone Park60169 Hoffman Estates60171 River Grove60173 Schaumburg60176 Schiller Park60192 Hoffman Estates60193 Schaumburg60194 Schaumburg60195 Schaumburg60201 Evanston60202 Evanston60203 Evanston60208 Evanston60301 Oak Park60302 Oak Park60304 Oak Park60305 River Forest60402 Berwyn60406 Blue Island60409 Calumet City60411 Chicago Heights60415 Chicago Ridge60418 Crestwood
Showing 60 of 167. See all IL ZIP codes.
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.