DeKalb County

DeKalb County was formed in 1822 and named after Baron Johann DeKalb, who was a general with the Continental Army during the Revolutionary War.

Notable landmarks include Stone Mountain Park, Emory University and Arabia Mountain National Heritage Area. Large employers include AT&T Mobility and Emory Healthcare.

DeKalb is the fourth-most populated county in metro Atlanta and has one of the region’s most diverse populations.

Within DeKalb County are the cities of Atlanta*, Avondale Estates, Brookhaven, Chamblee, Clarkston, Decatur, Doraville, Dunwoody*, Lithonia, Pine Lake, Stonecrest, Stone Mountain, and Tucker.

DeKalb County by the Numbers (2017)

Population 753,253
Population Change (since 2010) +8.8%
Population Forecast (2040) 874,424
Median Household Income $61,827
Unemployment Rate 4.8%
Mean Travel Time to Work 32.2 minutes
Single Family Building Permits 1,796
Mutlifamily Building Permits 1,583

Data Resources

Other DeKalb County Resources

ARC Board Members Representing All or Parts of DeKalb County

Data Sources

  • US Census Bureau, Subcounty Intercensal Population Estimates, 2000 to 2009
  • US Census Bureau, County Characteristics Resident Population Estimate, 2010 to 2017
  • US Census Bureau, American Community Survey (1-year estimates), 2017
  • Atlanta Regional Commission (ARC), Series 15 Forecasts, 2015-16
  • Bureau of Labor Statistics (BLS), Local Area Unemployment Statistics (LAUS), 2017


* These cities belong to more than one county.