Jasper County, Missouri
Missouri's location within the U.S.
|Founded||January 2, 1841|
|Named for||William Jasper|
|• Total||641 sq mi (1,660 km2)|
|• Land||638 sq mi (1,650 km2)|
|• Water||2.8 sq mi (7 km2) 0.4%%|
| • Estimate |
|• Density||184/sq mi (71/km2)|
|Time zone||UTC−6 (Central)|
|• Summer (DST)||UTC−5 (CDT)|
Jasper County is a county in the U.S. state of Missouri. As of the 2010 census, the population was 117,404. Its county seat is Carthage. Its largest city is Joplin. The county was formed in 1841. It was named for William Jasper, a hero of the American Revolutionary War.