Cerro Gordo County, Iowa

Cerro Gordo County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 43,127. The county seat is Mason City. The county is named for the Battle of Cerro Gordo, which took place during the Mexican–American War.

Cerro Gordo County was founded in 1851.

 References 

Category:1851 establishments in Iowa
Category:Iowa counties