Chatham County Flag

Chatham County

State:
Georgia
County Seat:
Savannah

Chatham County's 2026 population is estimated at 312,494, reflecting a 0.83% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Chatham County is the 5th largest county in Georgia. The 2010 population was 265,799 and has grown 17.57% since 2010.

312,494
Total Population
722
Population Density (mi²)
5
Population Rank (State)
2.6K 0.83%
Annual Population Growth

Chatham County Population

Demographics

Economics and Income Statistics