Linn County, Iowa
Linn County is a county 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. The county was founded on January 15, 1839 and named in honor of Senator Lewis F. Linn of Missouri.
- "QuickFacts: Linn County, Iowa". United States Census Bureau. Retrieved August 9, 2023.
- "Find a County". National Association of Counties. Retrieved June 7, 2011.
- Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 187.