Carroll County, Illinois

Carroll County is a county in Illinois with an estimated population of 15,526 in 2023. 7 cities, towns and Census places in it are indexed here.

Largest places in Carroll County

About Carroll County

Carroll 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.