Kankakee is a city in and the county seat of Kankakee County, Illinois, United States. The city's name is probably derived from the Miami-Illinois word teeyaahkiki, meaning: "Open country/exposed land/land in open/land exposed to view", in reference to the area's prior status as a marsh. As of 2019, the city's population was 26,024. Kankakee is a principal city of the Kankakee-Bourbonnais-Bradley Metropolitan Statistical Area. It serves as an anchor city in the rural plains outside Chicago, similar to Aurora and Joliet.
The area of Kankakee was inhabited by the Potawatami beginning sometime in the 18th century. Kankakee was founded in 1854.
Kankakee is located at 41°7′12″N 87°51′36″W (41.12, −87.86).
According to the 2010 census, Kankakee has a total area of 14.62 square miles (37.87 km2), of which 14.14 square miles (36.62 km2) (or 96.72%) is land and 0.48 square miles (1.24 km2) (or 3.28%) is water.
As of the census of 2000, there were 27,561 people, 10,020 households and 6,272 families residing within the city. The population density was 2,239.8 people per square mile (865.1/km2). There were 10,965 housing units at an average density of 893.4 per square mile (345.0/km2). The racial makeup of the city was 50.92% White, 41.07% African American, 0.27% Native American, 0.32% Asian, 0.03% Pacific Islander, 5.50% from other races, and 1.90% from two or more races.