Cook County
County in Illinois | Population: 5,182,090 | FIPS: 17031
Population
5,182,090
State
Illinois
FIPS Code
17031
Coordinates
41.84°, -87.82°
📍 Location
Cook County is located in the state of Illinois (State ID: IL). Geographic coordinates: 41.8401°N, 87.8168°W.
🏙️ Cities in Cook County
Major cities located in Cook County