Washington County, Illinois
Washington County, Illinois · ZIP 62214, 62237, 62257
- Census data · ACS 2019-2023
- 13,535 (2024 estimate)Population
- 5,722Households
- $75,652Median household income
- $149,800Median home value
- 29Towns with a page
- 13ZIP codes
Washington County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 15,148 |
| 2010 | 14,716 |
| 2020 | 13,761 |
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 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 17, retrieved November 14, 2026.
Median household income $75,652 · 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 17, retrieved November 14, 2026.
- Owner occupied
- 4,645 units
- Renter occupied
- 1,077 units
- Vacancy rate
- 10.6%
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 17, retrieved November 14, 2026.
6,274 employees in 364 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 17, retrieved November 14, 2026.
| Measure | Washington County | Illinois |
|---|---|---|
| Population | 13,682 | 12,692,653 |
| Median household income | $75,652 | $81,702 |
| Median age | 44.2 | 38.9 |
| Median home value | $149,800 | $250,500 |
| Bachelor’s degree or higher | 24.4% | 37.2% |
| Foreign-born residents | 0.6% | 14.4% |
| Owner-occupied homes | 81.2% | 66.8% |
| Mean commute to work | 25.8 minutes | 28.1 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 17, retrieved November 14, 2026.
Townships, towns and villages in Washington County29 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Nashville Township | Township | 3,386 | 34.7 sq mi |
| Nashville | City | 3,006 | 3.11 sq mi |
| Okawville Township | Township | 1,931 | 36.3 sq mi |
| Okawville | Village | 1,347 | 2.02 sq mi |
| Irvington Township | Township | 1,149 | 48.5 sq mi |
| Hoyleton Township | Township | 1,025 | 51.0 sq mi |
| Wamac | City | 965 | 1.42 sq mi |
| Ashley Township | Township | 742 | 24.4 sq mi |
| Du Bois Township | Township | 643 | 36.8 sq mi |
| Lively Grove Township | Township | 569 | 35.9 sq mi |
| Beaucoup Township | Township | 566 | 37.9 sq mi |
| Irvington | Village | 566 | 1.01 sq mi |
| Oakdale Township | Township | 548 | 37.4 sq mi |
| Pilot Knob Township | Township | 513 | 35.2 sq mi |
| Hoyleton | Village | 505 | 0.76 sq mi |
| Johannisburg Township | Township | 504 | 36.0 sq mi |
| Plum Hill Township | Township | 489 | 37.8 sq mi |
| Ashley | City | 447 | 1.13 sq mi |
| Bolo Township | Township | 396 | 36.9 sq mi |
| Venedy Township | Township | 389 | 22.3 sq mi |
| Covington Township | Township | 374 | 39.6 sq mi |
| Richview Township | Township | 311 | 12.0 sq mi |
| Addieville | Village | 253 | 0.99 sq mi |
| Richview | Village | 231 | 1.15 sq mi |
| Oakdale | Village | 197 | 1.58 sq mi |
| Radom | Village | 181 | 1.05 sq mi |
| Du Bois | Village | 179 | 1.05 sq mi |
| New Minden | Village | 163 | 0.28 sq mi |
| Venedy | Village | 123 | 0.28 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 17 (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.
Nothing has been posted in Washington County’s towns yet. Join a town to start its feed.
Neighboring counties
Neighboring counties
- Clinton CountyPopulation 37,087 (2024 estimate)
- Jefferson CountyPopulation 36,107 (2024 estimate)
- Marion CountyPopulation 36,437 (2024 estimate)
- Perry CountyPopulation 20,272 (2024 estimate)
- Randolph CountyPopulation 29,903 (2024 estimate)
- St. Clair CountyPopulation 251,149 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 17, retrieved November 14, 2026.