Kankakee County, Illinois

Kankakee County, Illinois
Location within the U.S. state of Illinois
Coordinates: 41°08′N 87°52′W / 41.14°N 87.86°W / 41.14; -87.86
Country United States
State Illinois
FoundedFebruary 11, 1853
Named afterKankakee River
SeatKankakee
Largest cityKankakee
Area
 • Total
681 sq mi (1,760 km2)
 • Land677 sq mi (1,750 km2)
 • Water4.8 sq mi (12 km2)  0.7%
Population
 (2020)
 • Total
107,502
 • Estimate 
(2024)
106,410
 • Density159/sq mi (61.3/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districts1st, 2nd
Websitewww.k3county.net

Kankakee County is a county located in the U.S. state of Illinois. According to the 2020 census, it has a population of 107,502. Its county seat is Kankakee. Kankakee County comprises the Kankakee, IL Metropolitan Statistical Area.