DeKalb County, Georgia
Located in Georgia, DeKalb County has a population of 765,351 residents and a median age of 36.4 years, making it the #86 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 13.7%. The median home value is $357,800, and the median household income is $80,644, which is 7% above the national median.
Demographics
DeKalb County has a population of 765,351, making it the #86 most populous county in the US. The median age is 36.4 years, which is 6.4% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in DeKalb County is $80,644, ranking #557 out of 3,222 counties — 7.3% above the national median. The poverty rate is 13.7% and unemployment stands at 6.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in DeKalb County is $357,800 (+26.9% vs national). Renters pay a median of $1,692/mo and the homeownership rate is 58.8%.
Median Home Value Trend
Rankings →Household Type
Education
In DeKalb County, 47.4% of adults age 25+ hold a bachelor's degree or higher, which is 40.7% above the national average, ranking #131 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in DeKalb County is 78.2 years. 17.7% of adults report poor or fair health and 13.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
13.0% of adults in DeKalb County smoke , 33.5% are obese , and 16.9% report excessive drinking. The drug overdose death rate is 19.1 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in DeKalb County is 15.8 per 100,000 and the suicide rate is 11.4 per 100,000. Motor vehicle deaths occur at a rate of 13.1 per 100,000.
Homicide Rate Trend
Families & Children
18.2% of children in DeKalb County live in poverty and the infant mortality rate is 6.8 per 1,000 live births. The teen birth rate is 20.5 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in DeKalb County is 71.0%. The mean commute time is 33.4 min, which is 21.2% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, DeKalb County voted Democratic with a margin of 64.8%. The vote was 81.9% Dem / 17.1% Rep. Compared to 2020, the margin shifted 2.6 toward Republicans .
Vote Share Over Time
About DeKalb County, Georgia
DeKalb County, Georgia has a total population of 765,351, making it the 86th most populous county in the United States. The median age in DeKalb County is 36.4 years, which is 6.4% below the national median of 38.9 years.
The median household income in DeKalb County is $80,644, which ranks #557 of 3,222 counties nationwide. This is 7.3% above the national median of $75,149. The poverty rate is 13.7%, higher than the national rate of 12.6%. The unemployment rate stands at 6.4%.
The median home value in DeKalb County is $357,800, 26.9% above the national median. Renters in DeKalb County pay a median gross rent of $1,692 per month. The homeownership rate is 58.8%, compared to the national rate of 64.4%.
In DeKalb County, 47.4% of residents aged 25 and older hold a bachelor's degree or higher, 40.7% above the national average of 33.7%. Health insurance coverage stands at 87.3% of the population. The average commute time for workers is 33.4 min.
DeKalb County is a diverse community. The largest racial or ethnic group is Black (non-Hispanic) at 50.4% of the population, followed by White (non-Hispanic) (27.9%) and Hispanic or Latino (10.6%).
All data for DeKalb County, Georgia comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.