Washington County, Missouri
Washington County, Missouri · ZIP 63020, 63030, 63071
- Census data · ACS 2019-2023
- 23,583 (2024 estimate)Population
- 8,864Households
- $51,886Median household income
- $118,400Median home value
- 4Towns with a page
- 16ZIP codes
Washington County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 23,344 |
| 2010 | 25,195 |
| 2020 | 23,514 |
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 29, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 29, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 29, retrieved November 14, 2026.
Median household income $51,886 · 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 29, retrieved November 14, 2026.
- Owner occupied
- 6,766 units
- Renter occupied
- 2,098 units
- Vacancy rate
- 17.4%
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 29, retrieved November 14, 2026.
3,263 employees in 371 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 29, retrieved November 14, 2026.
| Measure | Washington County | Missouri |
|---|---|---|
| Population | 23,483 | 6,168,181 |
| Median household income | $51,886 | $68,920 |
| Median age | 40.2 | 38.9 |
| Median home value | $118,400 | $215,600 |
| Bachelor’s degree or higher | 12.4% | 31.9% |
| Foreign-born residents | 0.8% | 4.4% |
| Owner-occupied homes | 76.3% | 67.9% |
| Mean commute to work | 35.9 minutes | 23.7 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 29, retrieved November 14, 2026.
Townships, towns and villages in Washington County4 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Potosi | City | 2,549 | 2.33 sq mi |
| Irondale | City | 368 | 0.53 sq mi |
| Mineral Point | Town | 234 | 0.24 sq mi |
| Caledonia | Village | 132 | 0.16 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 29 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
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 Washington County
No job is posted in Washington 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 Washington County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Crawford CountyPopulation 22,808 (2024 estimate)
- Franklin CountyPopulation 107,256 (2024 estimate)
- Iron CountyPopulation 9,420 (2024 estimate)
- Jefferson CountyPopulation 231,888 (2024 estimate)
- St. Francois CountyPopulation 67,503 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 29, retrieved November 14, 2026.