Are you looking to move into a neighborhood in peoria County, but know nothing about it? Before you buy a home in peoria County, Illinois or find a new peoria County new homes, do a neighborhood search first. Here you can find statistics on peoria County, il neighborhood housing, cost of living, weather, economy, household demographics and peoria County schools to help you decide which neighborhood is right for you. peoria County, Illinois neighborhood information made easy with AOL Real Estate. Start browsing peoria County cities/towns today by clicking one of the links below.