Cahokia is located in Illinois. Cahokia, Illinois has a population of 12,634. Cahokia is more family-centric than the surrounding county with 35% households with children. The county percentage for households with children is 28%.
The median household income in Cahokia, Illinois is $36,851. The median household income for the surrounding county is $59,624 compared to the national median of $66,222. The median age of people living in Cahokia is 33 years.
The average high temperature in July is 88.7 degrees, with an average low temperature in January of 20 degrees. The annual precipitation is 40.33.