DeKalb County, Georgia Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 4th-largest in Georgia
The population of DeKalb County, Georgia is 762,105 as of the 2023 American Community Survey, making it the 4th-largest county in Georgia. The median household income is $77,683, the median home value is $331,400, and the median age is 36.3.
The population of DeKalb County has grown 11.2% since 2010 (692,536 → 770,307), a +0.76% annualized rate.
762,105
Population
+0.76%
Annual growth
2847
People / sq mi
$77,683
Median Income
$331,400
Median Home Value
DeKalb County covers 268 sq mi of land at 2847.2 people per square mile.
About DeKalb County, GA
What distinguishes DeKalb County is density: among the most densely settled of US counties, around 2,847 people per square mile. With 762,105 residents, DeKalb County is a county in Georgia. It is the #4-largest of all counties in Georgia nationally.
Households take in a median $77,683, comfortably near the US median of $78,538. Poverty runs at 9.5%, below the national 12.4%. A typical home is worth $331,400, with typical rent around $1,591.
DeKalb County is among the best-educated US counties: 46.7% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. Working from home is common here: 20.0% of workers do so, above the national 14.0%, and the average commute runs about 31 minutes each way.
That density explains much of the rest of the profile in DeKalb County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
DeKalb County Population History (2010-2024)
The county of DeKalb County had a population of 692,536 in 2010 and 770,307 in 2024, a 11.2% growth over 14 years. The peak was 770,307 in 2024. Average annual growth rate: 0.76%.
770,307
Population (2024)
692,536
Population (2010)
770,307
Peak (2024)
0.76%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 692,536 |
| 2011 | 698,496 |
| 2012 | 710,783 |
| 2013 | 718,026 |
| 2014 | 725,247 |
| 2015 | 734,846 |
| 2016 | 747,299 |
| 2017 | 751,680 |
| 2018 | 755,514 |
| 2019 | 759,932 |
| 2020 | 764,630 |
| 2021 | 759,333 |
| 2022 | 764,440 |
| 2023 | 768,047 |
| 2024 | 770,307 |
Race & Ethnicity
| White | 30.1% |
| Black or African American | 51.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.5% |
| Two or More Races | 0.0% |
Age & Sex
36.3
Median Age
52.5%
Female
47.5%
Male
13.3%
Age 65+
Age Distribution
Children (under 15): 19.3% · Seniors (65+): 13.3%
Income & Poverty
| Median household income | $77,683+$3,019 vs state |
| Mean household income | $115,757 |
| Per-capita income | $45,544 |
| Poverty rate | 9.5%-0.4% vs state |
| Unemployment rate | 4.4% |
| Employment-to-population | 63.8% |
Top Industries by Employment
The largest employment sector in DeKalb County is professional & business services, accounting for 22.1% of workers.
How residents commute
4.1%
Drive alone
1.3%
Carpool
62.8%
Public transit
20.0%
Work from home
30.8 min
Avg commute
Housing
$331,400+$58,500 vs state
Median home value
$1,591
Median rent
58.5%
Homeownership rate
328,614
Total housing units
86.6%
Occupied
13.4%
Vacant
41.5%
Renter-occupied
Social & access
87.0%
With health insurance
96.1%
With broadband internet
36.2%
Foreign-born
5.7%
Veterans (18+)
11.8%
With a disability
79.4%
Speak language other than English at home
Education
90.8%
High School+
46.7%
Bachelor's+
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County rankings
Common questions about DeKalb County, GA
Frequently Asked Questions
DeKalb County, Georgia has a population of 762,105 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 4th-largest county in Georgia. Population density is 2847 people per square mile.
The population of DeKalb County has grown 11.2% since 2010 (692,536 → 770,307), a +0.76% annualized rate.
The median household income in DeKalb County, Georgia is $77,683, with mean (average) household income of $115,757 and per-capita income of $45,544. 9.5% of residents live below the federal poverty level.
In DeKalb County, the largest racial and ethnic groups are Black or African American (51.5%), White (30.1%), Hispanic or Latino (2.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in DeKalb County, Georgia is 36.3 years. Residents are 52.5% female and 47.5% male.
The median home value in DeKalb County is $331,400 and median monthly rent is $1,591. 58.5% of occupied housing units are owner-occupied. The county has 328,614 total housing units, 13.4% of which are vacant.
The largest employment sector in DeKalb County, Georgia is professional, scientific, and management services, employing 22.1% of workers. The unemployment rate is 4.4%.
Atlanta is among the largest cities associated with DeKalb County, Georgia, with a population of 499,287.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.