DeKalb County Flag

DeKalb County

State:
Georgia
County Seat:
Decatur

DeKalb County's estimated 2025 population is 765,418 with a growth rate of 0.16% in the past year according to the most recent United States census data. DeKalb County is the 4th largest county in Georgia. The 2010 population was 692,536 and has seen a growth of 10.52% since that time.

765,418
Total Population
2,856
Population Density (mi²)
4
Population Rank (State)
1.2K 0.16%
Annual Population Growth

DeKalb County Population

Demographics

Economics and Income Statistics