Decatur County, Georgia Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 63rd-largest in Georgia
The population of Decatur County, Georgia is 29,118 as of the 2023 American Community Survey, making it the 63rd-largest county in Georgia. The median household income is $50,485, the median home value is $146,200, and the median age is 38.7.
The population of Decatur County has grown 5.7% since 2010 (27,815 → 29,391), a +0.39% annualized rate.
29,118
Population
+0.39%
Annual growth
49
People / sq mi
$50,485
Median Income
$146,200
Median Home Value
Decatur County covers 597 sq mi of land at 48.8 people per square mile.
About Decatur County, GA
Decatur County is a county in Georgia with a population of 29,118. It ranks #63 among counties in Georgia by population. The median age is 38.7, in line with the national median. The population is 48.2% male and 51.8% female.
The median household income in Decatur County is $50,485, below the US median of $74,580. 20.8% of residents live below the federal poverty level. Home values sit at a median of $146,200, with monthly rent averaging $860. The homeownership rate of 61.8% is lower than the national rate of 64.8%.
Educational attainment in Decatur County reflects 14.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 2.8% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 19.5 minutes each way.
Decatur County Population History (2010-2024)
The county of Decatur County had a population of 27,815 in 2010 and 29,391 in 2024, a 5.7% growth over 14 years. The peak was 29,391 in 2024. Average annual growth rate: 0.43%.
29,391
Population (2024)
27,815
Population (2010)
29,391
Peak (2024)
0.43%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 27,815 |
| 2011 | 27,655 |
| 2012 | 27,449 |
| 2013 | 27,401 |
| 2014 | 27,183 |
| 2015 | 27,063 |
| 2016 | 26,682 |
| 2017 | 26,727 |
| 2018 | 26,613 |
| 2019 | 26,496 |
| 2020 | 29,326 |
| 2021 | 29,097 |
| 2022 | 29,038 |
| 2023 | 29,124 |
| 2024 | 29,391 |
Race & Ethnicity
| White | 50.0% |
| Black or African American | 42.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
| Two or More Races | 0.0% |
Age & Sex
38.7
Median Age
51.8%
Female
48.2%
Male
16.8%
Age 65+
Age Distribution
Children (under 15): 20.3% · Seniors (65+): 16.8%
Income & Poverty
| Median household income | $50,485$-24,179 vs state |
| Mean household income | $67,257 |
| Per-capita income | $26,544 |
| Poverty rate | 20.8%+10.9% vs state |
| Unemployment rate | 3.6% |
| Employment-to-population | 48.6% |
Top Industries by Employment
The largest employment sector in Decatur County is professional & business services, accounting for 22.9% of workers.
How residents commute
0.3%
Drive alone
0.8%
Carpool
82.0%
Public transit
2.8%
Work from home
19.5 min
Avg commute
Housing
$146,200$-126,700 vs state
Median home value
$860
Median rent
61.8%
Homeownership rate
13,106
Total housing units
79.9%
Occupied
20.1%
Vacant
38.2%
Renter-occupied
Social & access
85.0%
With health insurance
83.8%
With broadband internet
24.3%
Foreign-born
5.8%
Veterans (18+)
16.7%
With a disability
93.7%
Speak language other than English at home
Education
83.1%
High School+
14.6%
Bachelor's+
Largest cities in Georgia
Other counties in Georgia
Part of Georgia
Metro areas in Georgia
County rankings
Frequently Asked Questions
Decatur County, Georgia has a population of 29,118 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 63rd-largest county in Georgia. Population density is 49 people per square mile.
The population of Decatur County has grown 5.7% since 2010 (27,815 → 29,391), a +0.39% annualized rate.
The median household income in Decatur County, Georgia is $50,485, with mean (average) household income of $67,257 and per-capita income of $26,544. 20.8% of residents live below the federal poverty level.
In Decatur County, the largest racial and ethnic groups are White (50.0%), Black or African American (42.0%), Hispanic or Latino (1.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Decatur County, Georgia is 38.7 years. Residents are 51.8% female and 48.2% male.
The median home value in Decatur County is $146,200 and median monthly rent is $860. 61.8% of occupied housing units are owner-occupied. The county has 13,106 total housing units, 20.1% of which are vacant.
The largest employment sector in Decatur County, Georgia is professional, scientific, and management services, employing 22.9% of workers. The unemployment rate is 3.6%.
Atlanta is among the largest cities associated with Decatur County, Georgia, with a population of 499,287.
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Statewide data for Georgia
Population, race, income, age, and trends across Georgia
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.