Peoria County, Illinois
Peoria County is a county in Illinois with an estimated population of 177,513 in 2023. 15 cities, towns and Census places in it are indexed here.
Largest places in Peoria County
Peoria 110,460Chillicothe 5,977Bartonville 5,779Peoria Heights 5,747West Peoria 4,152Elmwood 2,008Bellevue 1,839Princeville 1,609Dunlap 1,576Hanna City 1,236Glasford 839Brimfield 761Norwood 430Kingston Mines 261Mapleton 250
About Peoria County
Peoria County is one of the counties of Illinois. County governments in Illinois handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.