Garfield County, Washington
County seat: Pomeroy · Population 2,416 (2025) · 711 sq mi
Garfield County is the 39th most populous of Washington's 39 counties, with 2,416 people (2025 estimate). Its county seat is Pomeroy. The map shows its 1 city or town and the 4 neighboring counties.
Garfield County facts
- County seat
- Pomeroy
- Population (2025 estimate)
- 2,416 +5.7% since 2020
- Land area
- 711 sq mi 33rd largest of 39
- Water area
- 8 sq mi
- Population density
- 3 per sq mi
- Established
- 1881
- Same name
- One of 6 Garfield Counties in the US
- Named after
- James A. Garfield president of the United States in 1881
- Largest city
- Pomeroy 1,481
- Median household income
- $64,884
- Cities and towns
- 1 plus 1 CDPs
- ZIP codes
- 2
- Time zone
- Pacific
- FIPS code
- 53023
Cities and towns in Garfield County
Garfield County has 1 incorporated place. Populations count the people living inside Garfield County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Pomeroy (county seat) | City | 1,481 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Pataha | 71 |
ZIP codes in Garfield County
2 ZIP codes reach into Garfield County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 99347 also Columbia and Whitman counties
- 99403 also Asotin County
Population of Garfield County, 2020–2025
Garfield County grew by 130 people (+5.7%) between April 2020 and July 2025: 31 more deaths than births and a net gain of 163 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 2,296 |
| 2021 | 2,347 |
| 2022 | 2,354 |
| 2023 | 2,357 |
| 2024 | 2,401 |
| 2025 | 2,416 |
Neighboring counties
- Columbia County southwest · 4,141 people
- Whitman County north · 48,512 people
- Asotin County southeast · 22,545 people
- Wallowa County, Oregon south · 7,595 people
Printable Garfield 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) (97 KB)
- PNG (2400 px) (83 KB)
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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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