Jasper County, Iowa

Jasper County
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 41°41′17″N 93°03′41″W / 41.688055555556°N 93.061388888889°W / 41.688055555556; -93.061388888889
Country United States
State Iowa
Founded1846
Named afterWilliam Jasper
SeatNewton
Largest cityNewton
Area
  Total
733 sq mi (1,900 km2)
  Land730 sq mi (1,900 km2)
  Water2.5 sq mi (6 km2)  0.3%
Population
 (2020)
  Total
37,813
  Density52/sq mi (20/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district2nd
Websitejasperia.org

Jasper County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 37,813. The county seat is Newton. The county was organized in 1846 and is named after Sergeant William Jasper, a Revolutionary War hero.

Jasper County is part of the Des MoinesWest Des Moines, IA Metropolitan Statistical Area.