Columbia County, Washington
Columbia County, Washington · ZIP 99328, 99347, 99359
- Census data · ACS 2019-2023
- 4,025 (2024 estimate)Population
- 1,892Households
- $71,528Median household income
- $256,100Median home value
- 2Towns with a page
- 4ZIP codes
Columbia County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 4,064 |
| 2010 | 4,078 |
| 2020 | 3,952 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 53, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 53, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 53, retrieved November 14, 2026.
Median household income $71,528 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 53, retrieved November 14, 2026.
- Owner occupied
- 1,473 units
- Renter occupied
- 419 units
- Vacancy rate
- 14.7%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 53, retrieved November 14, 2026.
903 employees in 107 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 53, retrieved November 14, 2026.
| Measure | Columbia County | Washington |
|---|---|---|
| Population | 3,996 | 7,740,984 |
| Median household income | $71,528 | $94,952 |
| Median age | 52.1 | 38.2 |
| Median home value | $256,100 | $519,800 |
| Bachelor’s degree or higher | 27.2% | 38.8% |
| Foreign-born residents | 3.0% | 15.1% |
| Owner-occupied homes | 77.9% | 63.9% |
| Mean commute to work | 20.5 minutes | 27.0 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 53, retrieved November 14, 2026.
Townships, towns and villages in Columbia County2 with a page · sort by any column
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Columbia County
No job is posted in Columbia County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in Columbia County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Franklin CountyPopulation 101,238 (2024 estimate)
- Garfield CountyPopulation 2,404 (2024 estimate)
- Umatilla CountyPopulation 80,491 (2024 estimate)
- Walla Walla CountyPopulation 62,068 (2024 estimate)
- Wallowa CountyPopulation 7,522 (2024 estimate)
- Whitman CountyPopulation 48,399 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 53, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 41, retrieved November 14, 2026.