Washington County, Georgia
County seat: Sandersville · Population 19,453 (2025) · 679 sq mi
Washington County is the 96th most populous of Georgia's 159 counties, with 19,453 people (2025 estimate). Its county seat is Sandersville. It is part of the Central Savannah River Area region, one of the 12 Georgia Regional Commissions. The map shows its 7 cities and towns and the 6 neighboring counties.
Washington County facts
- County seat
- Sandersville
- Population (2025 estimate)
- 19,453 −2.7% since 2020
- Land area
- 679 sq mi 7th largest of 159
- Water area
- 6 sq mi
- Population density
- 29 per sq mi
- Established
- 1784
- Named after
- George Washington Founding Father and first U.S. president (1732–1799)
- Largest city
- Sandersville 5,397
- Median household income
- $46,023
- Cities and towns
- 7 plus 1 CDPs
- ZIP codes
- 10
- Time zone
- Eastern
- FIPS code
- 13303
Cities and towns in Washington County
Washington County has 7 incorporated cities, towns and villages. Populations count the people living inside Washington County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Sandersville (county seat) | City | 5,397 | |
| Davisboro | City | 1,826 | |
| Tennille | City | 1,805 | |
| Harrison | Town | 318 | |
| Oconee | City | 173 | |
| Deepstep | Town | 113 | |
| Riddleville | Town | 78 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Warthen | 78 |
ZIP codes in Washington County
10 ZIP codes reach into Washington County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 30413 also Jefferson and Johnson counties
- 30820 also Glascock, Warren and Hancock counties
- 31018
- 31035
- 31067
- 31082 also Baldwin County
- 31087 also Hancock and Baldwin counties
- 31089 also Johnson County
- 31094
- 31096 also Johnson and Laurens counties
Population of Washington County, 2020–2025
Washington County shrank by 537 people (−2.7%) between April 2020 and July 2025: 564 more deaths than births and a net gain of 23 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 19,949 |
| 2021 | 19,756 |
| 2022 | 19,772 |
| 2023 | 19,831 |
| 2024 | 19,682 |
| 2025 | 19,453 |
Neighboring counties
- Jefferson County east · 15,011 people
- Johnson County south · 9,310 people
- Wilkinson County southwest · 8,650 people
- Hancock County northwest · 8,682 people
- Glascock County northeast · 3,141 people
- Baldwin County west · 44,029 people
Printable Washington County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (116 KB)
- PNG (2400 px) (102 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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