DeKalb County, Georgia Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
DeKalb County, GA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around averageHealthier than 93% of counties in Georgia
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B
Income Around averageWealthier than 92% of counties in Georgia
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A
Education Above average
Source: Map AI Methodology
Population: density and quick facts
| Metric | DeKalb County | Georgia Avg | U.S. Average |
|---|---|---|---|
| Population | 765,300 | 10,939,918 | 337,468,954 |
| Population density (per sq mi) | 2821.0 | 184.0 | 86.4 |
| Population growth (%/yr) | 0.70% | 1.01% | 0.59% |
| Median age | 37.6 | 35.2 | 37.3 |
| Households | 287,269 | 4,074,039 | 130,235,071 |
Population in DeKalb County grew by 4.4% from 2009 to 2024, reaching 765,300 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in DeKalb County is Millennials, aged 29–44, at 25.6% of residents. That is 3.1 points above Georgia as a whole.
- Gen Z 13–28 167,144 21.8% -0.8 pts
- Millennials 29–44 195,970 25.6% +3.1 pts
- Gen X 45–60 154,617 20.2% -0.4 pts
- Boomers 61–79 100,219 13.1% -1.7 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Georgia, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 52.6% of the people living in DeKalb County and men 47.4%.
- Women 52.6% Georgia 51.2%
- Men 47.4% Georgia 48.8%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in DeKalb County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
DeKalb County has a the economy index of B, which means it is quite prosperous.
| Metric | DeKalb County | Georgia Avg | U.S. Average |
|---|---|---|---|
| Median household income | $81,234 | $77,523 | $80,455 |
| Income growth (%/yr) | 5.41% | 5.33% | 4.80% |
| Unemployment rate | 6.4% | 5.1% | 5.2% |
The median household income in DeKalb County is about 5% higher than in Georgia.
Housing
| Metric | DeKalb County | Georgia Avg | U.S. Average |
|---|---|---|---|
| Median home price | $303,511 | $256,986 | $248,835 |
| Median rent | $1,691 | $1,392 | $1,407 |
| Homeownership rate | 58.8% | 65.7% | 65.2% |
The median home price in DeKalb County is about 15.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,691 per month for that long.
Commute Time & Mobility
Commuters in DeKalb County spend about 57 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 239 hours, about 10.0 full days, spent commuting.
| Metric | DeKalb County | Georgia Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 28.7 | 23.6 | 22.4 |
| Round-trip commute (min) | 57.4 | 47.3 | 44.8 |
| Yearly time spent (hours) | 239 | 197 | 187 |
| Estimated yearly cost | $7,417 | $6,109 | $5,790 |
| Work from home | 22.6% | 15.9% | 15.0% |
| Highway traffic (vehicles/day) | 27,219 | 11,986 | 8,813 |
| Local road traffic (vehicles/day) | 4,227 | 1,447 | 1,355 |
Fastest commutes among counties in
Georgia:
Chattahoochee County (8.6 min), Ben Hill County (12.7 min), Tift County (15.8 min).
Slowest:
Talbot County (40.8 min), McIntosh County (37.7 min), Paulding County (36.4 min).
The average commute time in DeKalb County is 29 minutes, longer than the 24 minutes in Georgia.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
DeKalb County has a education index of A, which means it is very educated.
| Metric | DeKalb County | Georgia Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 43.4% | 30.7% | 31.6% |
| Average household size | 2.63 | 2.62 | 2.53 |
Highest education index among counties in
Georgia:
Oconee County (0.4), Fulton County (0.4), Forsyth County (0.4).
Lowest:
Quitman County (0.1), Hancock County (0.1), Taliaferro County (0.1).
Health
DeKalb County has a health index of B, which means it is quite healthy.
| Metric | DeKalb County | Georgia Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 77.7 | 75.8 | 78.3 |
| Self-rated poor health | 15.2% | 20.0% | 16.3% |
| Smokers | 15.2% | 22.0% | 19.0% |
Highest health index among counties in
Georgia:
Forsyth County (0.8), Oconee County (0.8), Fayette County (0.8).
Lowest:
Clinch County (0.7), Clay County (0.7), Quitman County (0.7).
DeKalb County, GA Compared With Nearby Counties
DeKalb County, GA is the 3rd largest of the 6 counties compared here, 765,300 residents against a local median of 298,922. There is no headline here. Every measure below sits within 15% of the median across the nearest counties, which makes DeKalb County, GA an unremarkable member of its own neighbourhood rather than an outlier in it.
The largest of those small differences is median home price, 6% above the local median at $303,511 against $285,266. DeKalb County, GA has the 3rd highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| DeKalb County, GA | 765,300 | $81,234 #4/6 | $303,511 #3/6 | 28.7 min #2/6 |
| Rockdale County, GA | 95,281 | $78,023 | $189,705 | 31.2 min |
| Fulton County, GA | 1,076,535 | $95,452 | $350,958 | 23.5 min |
| Clayton County, GA | 298,922 | $59,849 | $196,599 | 30.3 min |
| Gwinnett County, GA | 979,292 | $89,007 | $374,230 | 31.0 min |
| Henry County, GA | 249,959 | $84,927 | $285,266 | 30.5 min |
Frequently Asked Questions
Common questions about DeKalb County, Georgia.
What is the population of DeKalb County, Georgia?
About 765,300 people live in DeKalb County, Georgia, in 287,269 households of 2.6 people on average. The median age is 37.6, close to the U.S. median of 37.3.
How densely populated is DeKalb County, Georgia?
Averaged over its land area, DeKalb County, Georgia has 2,821 people per square mile, a density typical of urban and suburban areas. That is about 33 times the U.S. average of 86.
Can a typical household afford a home in DeKalb County, Georgia?
The median home costs 3.7 times the median household income ($303,511 against $81,234), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,691 a month takes about 25% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
What share of adults in DeKalb County, Georgia have a college degree?
43.4% of adults in DeKalb County, Georgia hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
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