Iowa City is the largest city in Johnson County, Iowa, United States, and its county seat. The population was 74,828 at the 2020 census, making it the state's fifth-most populous city. The Iowa City metropolitan area, which encompasses Johnson and Washington counties, has a population of over 171,000. The metro area is also a part of a combined statistical area with the Cedar Rapids metro area known as the Iowa City–Cedar Rapids region; collectively, this region has a population of nearly 500,000.
Iowa City is the home of the University of Iowa. It was the second capital of the Iowa Territory and the first capital of the state of Iowa; the Old Capitol building is a National Historic Landmark at the center of the University of Iowa campus. The University of Iowa Art Museum and Plum Grove Historic House, the home of the first governor of Iowa, are also tourist attractions.