Population 11,142 · Census ACS 2020–24
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Population and households in Washington County
Household size in Washington County
| Period | Washington County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 2.50 | 2.72 | 2.68 |
| 2010–14 | 2.56 | 2.78 | 2.73 |
| 2015–19 | 2.46 | 2.76 | 2.71 |
| 2020–24 | 2.63 | 2.79 | 2.65 |
| Change | +0.13 | +0.07 | −0.03 |
At 2.63 people per household, Washington County sits close to the national average of 2.65. The typical household here is smaller than in Idaho overall, where it has 2.79 people. Since 2006–10, household size has climbed from 2.50, even as the national average fell.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Washington County
| Period | Washington County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 44.0 | 35.5 | 37.7 |
| 2010–14 | 44.2 | 36.6 | 38.6 |
| 2015–19 | 44.6 | 37.6 | 39.6 |
| 2020–24 | 46.9 | 38.2 | 40.1 |
| Change | +2.9 | +2.7 | +2.3 |
Washington County skews older: half of its residents are older than 46.9, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. The median age has climbed from 44.0 in 2006–10, as it has nationally.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Washington County
| Period | Washington County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 11.3% | 10.0% | 12.3% |
| 2010–14 | 12.6% | 10.2% | 12.3% |
| 2015–19 | 11.8% | 9.3% | 11.6% |
| 2020–24 | 12.4% | 9.3% | 11.6% |
| Change | +1.1 pts | −0.7 pts | −0.6 pts |
Single parents head about one in eight households in Washington County (12.4%), close to the national share of 11.6%. Single parents are more common here than in Idaho overall (9.3%). The single-parent share has edged up 1.1 points since 2006–10, even as the national share fell.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Washington County
Renters in Washington County
| Period | Washington County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 24.7% | 29.0% | 33.3% |
| 2010–14 | 27.0% | 30.8% | 35.6% |
| 2015–19 | 27.5% | 30.0% | 36.0% |
| 2020–24 | 25.4% | 27.9% | 34.8% |
| Change | +0.7 pts | −1.1 pts | +1.5 pts |
About a quarter of households in Washington County rent their homes (25.4%), below the national share of 34.8%; the rest own. Among homeowners, 50.2% have no mortgage at all, well above the national share of 39.8%. Rentals cluster in the southwest; owners are most common in the center. The renter share has edged up 0.7 points since 2006–10, in line with the national trend.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Washington County
| Period | Washington County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 11.2% | 10.4% | 11.4% |
| 2010–14 | 14.2% | 11.0% | 11.4% |
| 2015–19 | 12.4% | 10.5% | 11.1% |
| 2020–24 | 10.0% | 9.3% | 9.6% |
| Change | −1.2 pts | −1.1 pts | −1.8 pts |
Vacancy in Washington County is close to the national rate: 10.0% of homes are empty, against 9.6%. Vacancy has edged down 1.2 points since 2006–10, as it has nationally.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Washington County
| Period | Washington County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 1967 | 1982 | 1974 |
| 2010–14 | 1970 | 1984 | 1975 |
| 2015–19 | 1970 | 1986 | 1977 |
| 2020–24 | 1971 | 1989 | 1980 |
| Change | +4 | +7 | +6 |
Washington County is a place of older homes: half were built before 1971, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The median year built has moved up from 1967 in 2006–10, a sign of steady new building. The newest homes are mostly in the center, the oldest in the southwest.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Washington County
| Period | Washington County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | $506 | $766 | $965 |
| 2010–14 | $622 | $820 | $1,040 |
| 2015–19 | $682 | $941 | $1,213 |
| 2020–24 | $941 | $1,407 | $1,571 |
| Change | +$435 | +$641 | +$606 |
A typical rental in Washington County costs $941 a month with utilities, well below the national median of $1,571. Rent has climbed $435 a month since 2006–10, up 86%, faster than rents rose nationally. The typical renter here spends 31.4% of household income on rent, just over the 30% mark often used to define affordable rent. The priciest rents are in the west; the most affordable are in the center.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Washington County
Bachelor's degrees in Washington County
| Period | Washington County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 17.2% | 25.0% | 28.4% |
| 2010–14 | 14.1% | 25.9% | 29.6% |
| 2015–19 | 16.2% | 27.8% | 32.1% |
| 2020–24 | 20.7% | 31.7% | 35.6% |
| Change | +3.5 pts | +6.6 pts | +7.2 pts |
College degrees are relatively uncommon in Washington County: 20.7% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. Since 2006–10, the share with a degree has risen 3.5 points, in line with the national trend.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Washington County
| Period | Washington County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 79.2% | 88.7% | 84.9% |
| 2010–14 | 82.6% | 89.3% | 86.1% |
| 2015–19 | 84.7% | 90.8% | 87.7% |
| 2020–24 | 89.3% | 92.1% | 89.3% |
| Change | +10.2 pts | +3.4 pts | +4.3 pts |
High school completion in Washington County is the same as the national rate: 89.3% of adults have a diploma or equivalent. The rate is lower than in Idaho as a whole (92.1%). Since 2006–10, the share with a diploma has risen 10.2 points, as it has nationally.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Washington County
| Period | Washington County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 9.8% | 7.0% | 8.1% |
| 2010–14 | 12.7% | 8.1% | 9.4% |
| 2015–19 | 4.1% | 4.4% | 5.6% |
| 2020–24 | 5.0% | 3.8% | 5.4% |
| Change | −4.7 pts | −3.2 pts | −2.7 pts |
Unemployment in Washington County is close to the national rate: 5.0% of the labor force, against 5.4%. The rate is higher than in Idaho overall (3.8%). Unemployment has fallen 4.7 points since 2006–10, in line with the national trend.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Washington County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Washington County | 2.63 | 46.9 | 12.4% | 25.4% | 10.0% | 1971 | $941 | 20.7% | 89.3% | 5.0% |
| Custer County | 2.19 | 58.4 | 2.8% | 23.2% | 37.6% | 1986 | $698 | 27.9% | 93.2% | 1.9% |
| Crook County | 2.46 | 45.6 | 13.2% | 25.9% | 11.5% | 1993 | $1,294 | 20.2% | 88.6% | 6.3% |
| Clark County | 2.93 | 31.1 | 9.3% | 38.7% | 38.8% | 1979 | $773 | 20.5% | 74.4% | 2.1% |
| Johnson County | 2.17 | 48.3 | 5.4% | 17.7% | 13.3% | 1984 | $1,022 | 30.9% | 95.0% | 3.3% |
| Campbell County | 2.67 | 36.8 | 10.9% | 22.3% | 10.6% | 1993 | $1,036 | 23.9% | 91.7% | 4.1% |
| Meade County | 2.55 | 39.3 | 9.5% | 27.1% | 8.8% | 1989 | $1,153 | 28.4% | 94.9% | 3.2% |
| Haakon County | 2.42 | 47.0 | 0.8% | 20.8% | 23.2% | 1975 | $495 | 21.1% | 96.4% | 0.0% |
| Stanley County | 2.35 | 46.2 | 5.2% | 16.9% | 17.7% | 1989 | $954 | 28.3% | 93.7% | 0.4% |
| Hughes County | 2.35 | 40.2 | 15.6% | 28.0% | 9.4% | 1979 | $1,118 | 38.2% | 96.6% | 0.7% |
| Beadle County | 2.57 | 37.9 | 8.9% | 27.1% | 10.4% | 1962 | $986 | 28.0% | 87.8% | 1.7% |
All figures 2020–24.
Counties with similar populations: Santa Isabel Municipio, PR · Faulk County, SD · Fisher County, TX · Florence County, WI · Foard County, TX · Foster County, ND · Franklin County, NE · Fremont County, IA · Saluda County, SC · San Juan County, WA
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Washington County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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