Jasper County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 37,813.[1] The county seat is Newton.[2] The county was founded in 1846 and is named after Sergeant William Jasper, an American Revolutionary War hero.[3]
- ↑ "QuickFacts: Jasper County, Iowa". United States Census Bureau. Retrieved August 9, 2023.
- ↑ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved 2011-06-07.
- ↑ Weaver, James Baird (1912). Past and Present of Jasper County, Iowa, Volume 1. B.F. Bowen. p. 44.