County Information

DeKalb County, Georgia has 267.7 square miles of land area and is the 113th largest county in Georgia by total area. DeKalb County is made up of a collection of cities, towns, and unincorporated areas, with Atlanta, Brookhaven, Decatur, Dunwoody, and Stone Mountain being some of the most well-known. It is the fourth most populous county in metro Atlanta. DeKalb County is known for its diversity and is home to various landmarks, educational institutions, and major employers.

Basic Facts

Established: December 12, 1822

Population: 757,718 (2021)

Population Increase: 9.4% over the past decate

Racial Breakdown

In 2023, the county's population was approximately 51.5% Black or African American, 30.1% White, 7.9% of two or more races, 6.1% Asian, and smaller percentages for other races. Hispanic or Latino individuals make up around 10% of the population.