Forrest County Flag

Forrest County

State:
Mississippi
County Seat:
Hattiesburg

Forrest County's 2026 population is estimated at 78,441, reflecting a 0% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Forrest County is the 8th largest county in Mississippi. The 2010 population was 74,944 and has grown 4.67% since 2010.

78,441
Total Population
168
Population Density (mi²)
8
Population Rank (State)
3 0%
Annual Population Growth

Forrest County Population

Demographics

Economics and Income Statistics