Washington County, Idaho
Washington County, Idaho, had an estimated population of 11,583 in 2025 across 3,763 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Idaho's counties and nationally.
- Population
- 11,583
- 2025 estimate
- Area
- 3,763 km²
- Density
- 3
- per km²
- Median income
- $54,000
- household, ACS 2024
- Median age
- 45
- years, ACS 2024
How Idaho's counties spread
Amenities & Infrastructure
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Households with Broadband2024 | 88.5% | 29 / 44 | 1,190 / 3,144 |
| Median Gross Rent2024 | $938 | 21 / 44 | 1,233 / 3,137 |
| Median Home Value2024 | $278,100 | 31 / 44 | 741 / 3,139 |
| Owner-Occupied Homes2024 | 74.6% | 25 / 44 | 1,572 / 3,144 |
| Vacant Homes2024 | 9.2% | 25 / 44 | 2,313 / 3,144 |
Demography
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Aged 65 and Over2024 | 26.6% | 9 / 44 | 319 / 3,144 |
| American Indian & Alaska Native2024 | 0.1% | 37 / 44 | 1,566 / 3,144 |
| Asian, non-Hispanic2024 | 0.6% | 18 / 44 | 1,544 / 3,144 |
| Average Household Size2024people | 2.6 | 25 / 44 | 589 / 3,144 |
| Black, non-Hispanic2024 | 0.3% | 17 / 44 | 2,647 / 3,144 |
| Foreign-Born2024 | 6.4% | 14 / 44 | 739 / 3,144 |
| Hispanic or Latino2024 | 16.5% | 16 / 44 | 527 / 3,144 |
| Median Age2024years | 45 | 12 / 44 | 703 / 3,144 |
| Sex Ratio2024per 1,000 males | 1,000 | 8 / 44 | 1,550 / 3,144 |
| Speak a Language Other Than English2024 | 13.6% | 15 / 44 | 662 / 3,144 |
| Under 182024 | 22.2% | 27 / 44 | 1,395 / 3,144 |
| Veterans2024 | 8.4% | 16 / 44 | 856 / 3,144 |
| White, non-Hispanic2024 | 77.6% | 29 / 44 | 1,706 / 3,144 |
Economy
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Below Poverty Line2024 | 15.3% | 6 / 44 | 1,133 / 3,144 |
| Households on SNAP2024 | 11.1% | 4 / 44 | 1,690 / 3,144 |
| Income Inequality2024index | 0.481 | 6 / 44 | 517 / 3,144 |
| Median Household Income2024 | $54,000 | 41 / 44 | 2,534 / 3,143 |
| Per Capita Income2024 | $30,783 | 35 / 44 | 2,300 / 3,144 |
| Unemployment Rate2024 | 5.2% | 8 / 44 | 1,020 / 3,144 |
Education
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Bachelor's Degree or Higher2024 | 20.6% | 31 / 44 | 1,820 / 3,144 |
| High School or Higher2024 | 89.6% | 26 / 44 | 1,713 / 3,144 |
Health Coverage
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| No Health Insurance2024 | 9.0% | 27 / 44 | 1,267 / 3,144 |
| With a Disability2024 | 18.2% | 10 / 44 | 956 / 3,144 |
Population & Density
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Population2025 | 11,583 | 29 / 44 | 2,314 / 3,144 |
| Population Density2025/km² | 3 | 25 / 44 | 2,600 / 3,144 |
Work & Commute
| Indicator | Value | In Idaho | In the US |
|---|---|---|---|
| Commute by Public Transit2024 | 0.0% | 29 / 44 | 2,161 / 3,144 |
| Households with No Vehicle2024 | 4.9% | 6 / 44 | 1,824 / 3,144 |
| Mean Commute Time2024minutes | 18.6 | 34 / 44 | 2,690 / 3,143 |
| Work from Home2024 | 8.3% | 32 / 44 | 1,661 / 3,144 |
Other counties of Idaho
- Ada County
- Adams County
- Bannock County
- Bear Lake County
- Benewah County
- Bingham County
- Blaine County
- Boise County
- Bonner County
- Bonneville County
- Boundary County
- Butte County
- Camas County
- Canyon County
- Caribou County
- Cassia County
- Clark County
- Clearwater County
- Custer County
- Elmore County
- Franklin County
- Fremont County
- Gem County
- Gooding County
- Idaho County
- Jefferson County
- Jerome County
- Kootenai County
- Latah County
- Lemhi County
- Lewis County
- Lincoln County
- Madison County
- Minidoka County
- Nez Perce County
- Oneida County
- Owyhee County
- Payette County
- Power County
- Shoshone County
- Teton County
- Twin Falls County
- Valley County
Compare Washington County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.