Cedar Rapids is the second-most populous city in the U.S. state of Iowa and the county seat of Linn County. The city lies on both banks of the Cedar River, 20 miles (32 km) north of Iowa City and 128 miles (206 km) northeast of Des Moines, the state's capital. It is a part of the Cedar Rapids/Iowa City region of Eastern Iowa, which includes Linn, Benton, Cedar, Iowa, Jones, Johnson, and Washington counties.

Linn County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 230,299, making it the second-most populous county in Iowa. The county seat is Cedar Rapids. Linn County is named in honor of Senator Lewis F. Linn of Missouri. Linn County is included in the Cedar Rapids, IA Metropolitan Statistical Area.