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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.

Cahokia, IL
Real Estate & Demographic Data






Cahokia profile


Living in Cahokia



Cahokia is a somewhat small village located in the state of Illinois. With a population of 11,912 people and three associated neighborhoods, Cahokia is the 198th largest community in Illinois.

For a small village, Cahokia has a lot of people who use public transit to get to work, and those that do mostly ride the bus. This suggests that a real need for low-cost transportation in Cahokia exists, and local transit is helping to meet that need.

The percentage of people in Cahokia with college degrees is quite a bit lower than the national average for cities and towns of 21.84%: just 11.04% of people over 25 have a bachelor's degree or advanced degree.

The per capita income in Cahokia in 2022 was $17,223, which is low income relative to Illinois and the nation. This equates to an annual income of $68,892 for a family of four. However, Cahokia contains both very wealthy and poor people as well. Cahokia also has one of the higher rates of people living in poverty in the nation, with 40.82% of its population below the federal poverty line.

Cahokia is an extremely ethnically-diverse village. The people who call Cahokia home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Cahokia residents report their race to be Black or African-American, followed by White. Important ancestries of people in Cahokia include Irish, German, English, Polish, and Dutch.

The most common language spoken in Cahokia is English. Other important languages spoken here include Spanish and Polish.