Johnson County, Iowa
Johnson County is a county in Iowa with an estimated population of 157,528 in 2023. 11 cities, towns and Census places in it are indexed here.
Largest places in Johnson County
Iowa City 75,678Coralville 23,596North Liberty 21,345Tiffin 6,325Solon 3,182Lone Tree 1,336University Heights 1,187Hills 910Swisher 904Shueyville 723Oxford 710
About Johnson County
Johnson County is one of the counties of Iowa. County governments in Iowa 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.