Gwinnett County is in the Metro Atlanta travel region of Georgia. Its county seat is Lawrenceville, and the U.S. Census Bureau estimates the county had 1,003,869 residents in 2024, up from 957,290 in 2020. It covers about 431 square miles of land and was created in 1818.
- County seatLawrenceville
- Population (2024 estimate)1,003,869
- Land area431 square miles
- Created1818
- Travel regionMetro Atlanta
Print it: download the printable Gwinnett 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 Gwinnett County
Gwinnett County has 16 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 |
|---|---|---|
| Peachtree Corners | 42,638 | |
| Duluth | 33,157 | |
| Lawrenceville (county seat) | 31,877 | |
| Sugar Hill | 28,598 | |
| Suwanee | 23,062 | |
| Snellville | 22,336 | |
| Norcross | 18,902 | |
| Buford | 18,642 | Partly in Hall County |
| Braselton | 17,390 | Partly in Barrow County, Hall County and Jackson County |
| Loganville | 16,862 | Partly in Walton County |
| Lilburn | 16,210 | |
| Auburn | 10,094 | Partly in Barrow County |
| Dacula | 8,018 | |
| Grayson | 5,252 | |
| Berkeley Lake | 2,030 | |
| Rest Haven | 43 | Partly in Hall County |
Unincorporated communities marked on the map are Census-designated places, which have no city government: Mountain Park.
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-85, I-985
- U.S. highways: US 23, US 29, US 78
- State routes (Georgia DOT inventory numbers): SR 8, SR 10, SR 13, SR 20, SR 84, SR 120, SR 124, SR 140, SR 141, SR 211, SR 264, SR 316, SR 317, SR 324, SR 365, SR 378
Parks, Public Land and Water
Lakes and rivers labeled on the map: Yellow River, Alcovy River, Apalachee River, Chattahoochee River, Little Mulberry River and Suwanee 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 Gwinnett County parks guide.
Neighboring Counties
Gwinnett County borders Barrow County, DeKalb County, Forsyth County, Fulton County, Hall County, Jackson County, Rockdale County and Walton County.
Common Questions
What is the county seat of Gwinnett County, Georgia?
Lawrenceville is the county seat of Gwinnett County.
What cities are in Gwinnett County, Georgia?
Gwinnett County has 16 incorporated cities and towns: Peachtree Corners, Duluth, Lawrenceville, Sugar Hill, Suwanee, Snellville, Norcross, Buford, Braselton, Loganville, Lilburn, Auburn, Dacula, Grayson, Berkeley Lake and Rest Haven.
What counties border Gwinnett County?
Gwinnett County borders Barrow County, DeKalb County, Forsyth County, Fulton County, Hall County, Jackson County, Rockdale County and Walton County.
Is there a printable map of Gwinnett County?
Yes. The Gwinnett 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 Gwinnett County?
The U.S. Census Bureau estimates 1,003,869 people lived in Gwinnett County on July 1, 2024, up from 957,290 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)