McDuffie County is in the Classic South travel region of Georgia. Its county seat is Thomson, and the U.S. Census Bureau estimates the county had 21,764 residents in 2024, up from 21,632 in 2020. It covers about 257 square miles of land and was created in 1870.
- County seatThomson
- Population (2024 estimate)21,764
- Land area257 square miles
- Created1870
- Travel regionClassic South
Print it: download the printable McDuffie 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 McDuffie County
McDuffie County has 2 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 |
|---|---|---|
| Thomson (county seat) | 6,792 | |
| Dearing | 535 |
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
- U.S. highways: US 78, US 221, US 278
- State routes (Georgia DOT inventory numbers): SR 10, SR 12, SR 17, SR 43, SR 47, SR 150, SR 223
Parks, Public Land and Water
Public land shown on the map:
- Clarks Hill WMA (wildlife management area)
- Germany Creek WMA (wildlife management area)
Lakes and rivers labeled on the map: Clarks Hill Lake, Bowdens Pond, Little River, Germany Creek, Hart Creek, Headstall Creek, Mattox Creek and Sweetwater 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 McDuffie County parks guide.
Neighboring Counties
McDuffie County borders Columbia County, Jefferson County, Lincoln County, Richmond County, Warren County and Wilkes County.
Common Questions
What is the county seat of McDuffie County, Georgia?
Thomson is the county seat of McDuffie County. It is also the largest city in the county.
What cities are in McDuffie County, Georgia?
McDuffie County has 2 incorporated cities and towns: Thomson and Dearing.
What counties border McDuffie County?
McDuffie County borders Columbia County, Jefferson County, Lincoln County, Richmond County, Warren County and Wilkes County.
Is there a printable map of McDuffie County?
Yes. The McDuffie 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 McDuffie County?
The U.S. Census Bureau estimates 21,764 people lived in McDuffie County on July 1, 2024, up from 21,632 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)