Jasper
- County:
- Newton County
- County Seat:
- Yes
- Area (mi²):
- 0.954
- State:
- Arkansas
Jasper is a city located in Newton County, Arkansas. Jasper has a 2026 population of 518. It is also the county seat of Newton County. Jasper is currently declining at a rate of -0.77% annually and its population has decreased by -2.63% since the most recent census, which recorded a population of 532 in 2020.