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.

 References 

Category:1830s establishments in Iowa Territory
Category:1839 establishments in the United States
Category:Iowa counties