Decatur, Georgia Demographics & Population 2026
During the 2020–2024 ACS period, Decatur, Georgia had a total population of 24,518, the 49th largest city in Georgia, with a median household income of $139,397, which is 80% higher than the state average. The poverty rate is 6.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 80% above the state average — one of the wealthiest communities in Georgia.
- 76.3% of adults hold a bachelor's degree or higher — top 10% in Georgia.
Decatur Quick Facts
How Decatur Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 24,470 | 24,518 | +0.2% |
| Median household income | $140,480 | $139,397 | -0.8% |
| Median home value | $655,900 | $701,400 | +6.9% |
How Decatur Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Decatur Rankings in Georgia
Explore Georgia Rankings
Other Cities in DeKalb County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Stonecrest | 60,501 | $64,591 | 16.7% | $243,500 |
| Brookhaven | 57,855 | $117,663 | 10.3% | $692,700 |
| Dunwoody | 51,758 | $121,903 | 6.1% | $602,900 |
| Tucker | 37,123 | $80,317 | 10.6% | $384,500 |
| Redan | 31,017 | $65,227 | 11.4% | $233,900 |
| Chamblee | 30,895 | $84,452 | 18.0% | $432,800 |
| Candler-McAfee | 20,905 | $64,699 | 14.7% | $259,300 |
| North Decatur | 18,442 | $110,871 | 9.7% | $474,600 |
| North Druid Hills | 17,997 | $102,742 | 11.1% | $515,900 |
| Clarkston | 14,557 | $48,564 | 34.4% | $302,600 |
Cities Similar to Decatur
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Sugar Hill | 26,128 | $107,389 | $413,400 | 48.4% | 7.3% |
| Suwanee | 22,349 | $103,260 | $480,600 | 62.5% | 10.1% |
| Cartersville | 24,074 | $84,437 | $338,200 | 28.7% | 12.4% |
| Acworth | 22,473 | $83,539 | $339,900 | 33.9% | 7.7% |
| Snellville | 21,620 | $89,896 | $335,000 | 36.2% | 8.9% |
Population Overview
Decatur is a small city located in Georgia, within DeKalb County. The total population is 24,518. It ranks as the 49th most populous out of 669 Census-designated places in Georgia.
Age Demographics
The median age in Decatur is 39.8 years. This is 6% higher than the state median of 37.6 years.
Economy, Income & Housing
The median household income in Decatur is $139,397. This is 80% higher than the state median of $77,353. It is also 73% higher than the national median of $80,734. The poverty rate stands at 6.2%. This is 53% lower than the state poverty rate of 13.4%. The unemployment rate is 4.3%. This is 16% lower than the state rate of 5.1%. The median home value is $701,400. Housing costs are 131% higher than the state median of $303,300. The home-value-to-income ratio is 5.0x. 63.9% of occupied housing units are owner-occupied. This homeownership rate is 3% lower than the state average of 65.7%.
Race & Ethnicity
The largest racial or ethnic group in Decatur is White (non-Hispanic), making up 65.9% of the population. Black or African American residents account for 12.3%. The Black or African American population (12.3%) is well below the state average of 30.7%.
Education
76.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Decatur in the top 10% of all cities in the state for educational attainment. This is 118% higher than the state rate of 34.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.4%. Notably, 42.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Decatur, Georgia is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Georgia state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 669 Census-designated places in Georgia. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Decatur, Georgia?
Decatur, Georgia has a population of 24,518 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Decatur, GA?
The median household income in Decatur is $139,397, which is 73% higher than the national median of $80,734.
What is the poverty rate in Decatur, GA?
The poverty rate in Decatur is 6.2%. This means approximately 1,487 residents live below the federal poverty line.
What is the racial makeup of Decatur, Georgia?
Decatur's population is 65.9% White, 12.3% Black, 8.8% Hispanic/Latino, and 4.9% Asian.
What is the median home value in Decatur, GA?
The median home value in Decatur is $701,400. The home-value-to-income ratio is 5.0x.
How educated is Decatur, Georgia?
76.3% of adults (25+) in Decatur hold a bachelor's degree or higher, and 42.2% hold a graduate or professional degree.