The 5 largest ethnic groups in Cahokia, IL are Black or African American (Non-Hispanic) (63.2%), White (Non-Hispanic) (30.5%), Two+ (Non-Hispanic) (3.73%), Asian (Non-Hispanic) (1.25%), and Black or African American (Hispanic) (0.555%).
None of the households in Cahokia, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.