Cahokia is located in Illinois. Cahokia, Illinois has a population of 12,440. Cahokia is less family-centric than the surrounding county with 19.34% of the households containing married families with children. The county average for households married with children is 26.14%.
The median household income in Cahokia, Illinois is $30,556. The median household income for the surrounding county is $63,017 compared to the national median of $69,021. The median age of people living in Cahokia is 31 years.
The average high temperature in July is 88.5 degrees, with an average low temperature in January of 22.6 degrees. The average rainfall is approximately 42.2 inches per year, with 14.9 inches of snow per year.
