Jasper County is located in the U.S. state of Mississippi. At the 2020 census, the population was 16,367. In 1906, the state legislature established two county courts, one at the first county seat of Paulding in the eastern part of the county and also one at Bay Springs in the west, where the railroad had been constructed. Jasper County is part of the Laurel, MS Micropolitan Statistical Area.

The Laurel Micropolitan Statistical Area is a micropolitan statistical area (μSA) in southeastern Mississippi that covers two counties - Jasper and Jones. The 2010 census placed the Laurel micropolitan area population at 84,823, though as of 2019, estimates indicate the population has slightly decreased to 84,481.