City profile
Decatur, GA
DeKalb County · Population 24,518
Decatur is a town in DeKalb County, GA with about 24,518 residents and a typical home value near $701,000. It is 6 miles from Atlanta, GA, which shapes its climate, healthcare access and amenities.
Climate
Climate type
Humid subtropical
Winter avg
44°F
Summer avg
80°F
Sunny days / yr
217
Home prices & cost of living
Median home price
$701,400
Typical monthly housing
$4,330
Cost of living (100 = U.S.)
138
Taxes
- Property tax
- 0.89%
- State income tax (top)
- 5.39%
- Social Security
- Not taxed
- Pensions
- Partly exempt
- Sales tax (state + avg. local)
- 7.38%
FEMA natural hazard risk
Relatively Moderate · county score 94/100
Top hazards: Lightning, Hail, Riverine flooding
Nearest major airport
12 mi to Hartsfield Jackson Atlanta International Airport (ATL)
Political lean (2024 county vote)
Leans Democratic · 82% Democratic / 17% Republican
Community
Population
24,518
Black population
12.6%
County
DeKalb County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸GA is gaining retirees — a sign of strong retiree services and community
- ▸Climate/cost risks to check: summer heat, hurricanes (coast)
Highlights
- About 24,518 residents
- Typical home value about $701,000
- 6 miles from Atlanta, GA
Trade-offs
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.