DeKalb County is in the Metro Atlanta travel region of Georgia. Its county seat is Decatur, and the U.S. Census Bureau estimates the county had 770,307 residents in 2024, up from 764,532 in 2020. It covers about 268 square miles of land and was created in 1822.
- County seatDecatur
- Population (2024 estimate)770,307
- Land area268 square miles
- Created1822
- Travel regionMetro Atlanta
Print it: download the printable DeKalb County map (PDF), sized for standard letter paper (8.5 by 11 inches, portrait). Choose “actual size” or “fit to page” when you print.
Cities and Towns in DeKalb County
DeKalb County has 13 incorporated cities and towns. Populations are U.S. Census Bureau estimates for July 1, 2024, for the whole city, including any part in a neighboring county.
| City or town | 2024 population | Note |
|---|---|---|
| Atlanta | 520,070 | Partly in Fulton County |
| Stonecrest | 61,015 | |
| Brookhaven | 59,370 | |
| Dunwoody | 51,795 | |
| Tucker | 37,224 | |
| Chamblee | 32,321 | |
| Decatur (county seat) | 24,482 | |
| Clarkston | 14,416 | |
| Doraville | 12,436 | |
| Stone Mountain | 6,552 | |
| Avondale Estates | 3,526 | |
| Lithonia | 2,581 | |
| Pine Lake | 752 |
Unincorporated communities marked on the map are Census-designated places, which have no city government: Belvedere Park, Candler-McAfee, Druid Hills, Gresham Park, North Decatur, North Druid Hills, Panthersville, Redan and Scottdale.
Highways
Interstates and U.S. highways come from Census road data; state route numbers come from the Georgia Department of Transportation’s road inventory. In Georgia most U.S. highways also carry a state route number, and where two routes share the same road GDOT records it under one of them.
- Interstates: I-20, I-85, I-285, I-675
- U.S. highways: US 23, US 29, US 78, US 278
- State routes (Georgia DOT inventory numbers): SR 8, SR 10, SR 12, SR 13, SR 42, SR 124, SR 141, SR 154, SR 155, SR 212, SR 236, SR 260
Parks, Public Land and Water
Lakes and rivers labeled on the map: Stone Mountain Lake, South River, Snapfinger Creek, Pole Bridge Creek, Crooked Creek, Sugar Creek and Nancy Creek. Names follow the U.S. Geological Survey’s official Geographic Names Information System.
For county and city parks, playgrounds and recreation centers, see our DeKalb County parks guide.
Neighboring Counties
DeKalb County borders Clayton County, Fulton County, Gwinnett County, Henry County and Rockdale County.
Common Questions
What is the county seat of DeKalb County, Georgia?
Decatur is the county seat of DeKalb County.
What cities are in DeKalb County, Georgia?
DeKalb County has 13 incorporated cities and towns: Atlanta, Stonecrest, Brookhaven, Dunwoody, Tucker, Chamblee, Decatur, Clarkston, Doraville, Stone Mountain, Avondale Estates, Lithonia and Pine Lake.
What counties border DeKalb County?
DeKalb County borders Clayton County, Fulton County, Gwinnett County, Henry County and Rockdale County.
Is there a printable map of DeKalb County?
Yes. The DeKalb County map on this page is a free PDF sized for letter paper (8.5 by 11 inches, portrait) that you can print or save to your phone.
How many people live in DeKalb County?
The U.S. Census Bureau estimates 770,307 people lived in DeKalb County on July 1, 2024, up from 764,532 in 2020.
Sources we checked
This map and page were built in October 2026 from public data:
- U.S. Census Bureau: TIGER/Line 2023 (county lines, roads, water, place boundaries)
- U.S. Census Bureau: county and city population estimates, Vintage 2024
- U.S. Census Bureau: 2023 Gazetteer (land area)
- USGS: Protected Areas Database of the United States (PAD-US) 4.1 (national forests, refuges, WMAs)
- USGS: Geographic Names Information System (lake and river names)
- Georgia DNR 2026-27 Hunting Regulations (eRegulations) (current WMA list)