Illinois city data

Illinois currently includes 5 MapsToIt city profiles covering roughly 3,296,714 residents across the published set. Average median household income and cost-of-living figures below are unweighted means of those mapped cities only — not every municipality in Illinois. Across the catalog set, average median household income is about $85,645, with a blended cost-of-living index near 94 (100 = U.S. average). Larger places in this release include Chicago, Aurora, Naperville. Use the city list below or the compare tool to weigh housing, commute, climate, and safety before relocating.