De Witt County, Illinois

De Witt County is a county in Illinois with an estimated population of 15,365 in 2023. 6 cities, towns and Census places in it are indexed here.

Largest places in De Witt County

About De Witt County

De Witt 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.