Jasper County | |
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![]() Jasper County Courthouse in Newton | |
![]() 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 | |
Country | ![]() |
State | ![]() |
Founded | 1846 |
Named for | William Jasper |
Seat | Newton |
Largest city | Newton |
Area | |
• Total | 733 sq mi (1,900 km2) |
• Land | 730 sq mi (1,900 km2) |
• Water | 2.5 sq mi (6 km2) 0.3% |
Population (2020) | |
• Total | 37,813 |
• Density | 52/sq mi (20/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 2nd |
Website | www |
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 organized in 1846 and is named after Sergeant William Jasper, a Revolutionary War hero.[3]
Jasper County is part of the Des Moines–West Des Moines, IA Metropolitan Statistical Area.[4]