Lamar County Flag

Lamar County

State:
Georgia
County Seat:
Barnesville

Lamar County's estimated 2026 population is 21,243 with a growth rate of 1.44% in the past year according to the most recent United States census data. Lamar County is the 89th largest county in Georgia. The 2010 population was 18,260 and has seen a growth of 16.34% since that time.

21,243
Total Population
115
Population Density (mi²)
89
Population Rank (State)
302 1.44%
Annual Population Growth

Lamar County Population

Demographics

Economics and Income Statistics