Peoria, IL is located in Peoria County. It is home to 34386 people. The median household income is $47,030.00 (Source: 2000 Census). The average home value was $105,100.00 (Source: 2000 Census). Nearby towns and cities include Pekin, East Peoria, Washington, Morton, Chillicothe. Find listings of real estate for sale in Peoria below.