DeKalb County Flag

DeKalb County

State:
Georgia
County Seat:
Decatur

DeKalb County's estimated 2025 population is 772,567 with a growth rate of 0.29% 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 11.56% since that time.

772,567
Total Population
2,883
Population Density (mi²)
4
Population Rank (State)
2.3K 0.29%
Annual Population Growth

DeKalb County Population

Demographics

Economics and Income Statistics

Sources

  1. City and Town Population Totals: 2020-2024
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)