Walla Walla County, Washington
County seat: Walla Walla · Population 62,361 (2025) · 1,270 sq mi
Walla Walla County is the 21st most populous of Washington's 39 counties, with 62,361 people (2025 estimate). Its county seat is Walla Walla. The map shows its 4 cities and towns and the 4 neighboring counties.
Walla Walla County facts
- County seat
- Walla Walla
- Population (2025 estimate)
- 62,361 −0.4% since 2020
- Land area
- 1,270 sq mi 26th largest of 39
- Water area
- 29 sq mi
- Population density
- 49 per sq mi
- Established
- 1854
- Named after
- Walla Walla people North American Indian Tribe from Eastern Washington State, US
- Largest city
- Walla Walla 34,058
- Median household income
- $74,202
- Cities and towns
- 4 plus 6 CDPs
- ZIP codes
- 8
- Time zone
- Pacific
- FIPS code
- 53071
Cities and towns in Walla Walla County
Walla Walla County has 4 incorporated cities, towns and villages. Populations count the people living inside Walla Walla County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Walla Walla (county seat) | City | 34,058 | |
| College Place | City | 9,923 | |
| Waitsburg | City | 1,184 | |
| Prescott | City | 369 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Burbank | 3,589 | |
| Walla Walla East | 2,099 | |
| Garrett | 1,697 | |
| Touchet | 558 | |
| Wallula | 145 | |
| Dixie | 133 |
ZIP codes in Walla Walla County
8 ZIP codes reach into Walla Walla County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 99323
- 99324
- 99329
- 99348 also Columbia County
- 99360
- 99361 also Columbia County
- 99362
- 99363
Population of Walla Walla County, 2020–2025
Walla Walla County shrank by 222 people (−0.4%) between April 2020 and July 2025: 731 more deaths than births and a net gain of 557 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 62,620 |
| 2021 | 62,228 |
| 2022 | 62,022 |
| 2023 | 61,745 |
| 2024 | 62,109 |
| 2025 | 62,361 |
Neighboring counties
- Franklin County northwest · 102,612 people
- Columbia County east · 4,141 people
- Umatilla County, Oregon south · 81,119 people
- Benton County west · 221,722 people
Printable Walla Walla 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) (121 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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