
Hattiesburg
- County:
- Forrest County
- County Seat:
- Yes
- Area (mi²):
- 53.441
- State:
- Mississippi
Hattiesburg is a city located in Forrest County, Mississippi. Hattiesburg has a 2025 population of 48,199. It is also the county seat of Forrest County. Hattiesburg is currently declining at a rate of -0.22% annually and its population has decreased by -1.1% since the most recent census, which recorded a population of 48,736 in 2020.
The average household income in Hattiesburg is $67,020 with a poverty rate of 30.44%. The median age in Hattiesburg is 28.7 years: 29.2 years for males, and 28 years for females.