Linn County, Iowa

county in Iowa, United States

Linn County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 230,299,[1] making it the second-most populous county in Iowa. The county seat is Cedar Rapids.[2] The county was founded on January 15, 1839 and named in honor of Senator Lewis F. Linn of Missouri.[3]


  1. "QuickFacts: Linn County, Iowa". United States Census Bureau. Retrieved August 9, 2023.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 187.