Clinton County, Illinois
Clinton County is a county in Illinois with an estimated population of 36,785 in 2023. 13 cities, towns and Census places in it are indexed here.
Largest places in Clinton County
Breese 4,600New Baden 3,364Carlyle 3,197Trenton 2,642Aviston 2,422Germantown 1,369Albers 1,117Wamac 963Beckemeyer 912Bartelso 633Damiansville 552St. Rose 461Hoffman 433
About Clinton County
Clinton 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.