Population 13,627 · Census ACS 2020–24
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Population and households in Washington County
Household size in Washington County
| Period | Washington County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 2.41 | 2.69 | 2.68 |
| 2010–14 | 2.47 | 2.71 | 2.73 |
| 2015–19 | 2.30 | 2.66 | 2.71 |
| 2020–24 | 2.32 | 2.58 | 2.65 |
| Change | −0.09 | −0.11 | −0.03 |
Washington County is a place of small households, averaging 2.32 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has dropped from 2.41 in 2006–10, as it has nationally. Households are largest in the north and smallest in the center.
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 | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 42.8 | 37.6 | 37.7 |
| 2010–14 | 44.2 | 38.5 | 38.6 |
| 2015–19 | 44.0 | 39.6 | 39.6 |
| 2020–24 | 45.4 | 40.2 | 40.1 |
| Change | +2.6 | +2.6 | +2.3 |
Washington County skews older: half of its residents are older than 45.4, 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 42.8 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 | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 9.0% | 11.7% | 12.3% |
| 2010–14 | 7.5% | 11.7% | 12.3% |
| 2015–19 | 8.1% | 11.1% | 11.6% |
| 2020–24 | 10.0% | 11.3% | 11.6% |
| Change | +1.0 pts | −0.4 pts | −0.6 pts |
Single-parent households are a bit less common in Washington County than nationally: 10.0%, against 11.6%. The single-parent share has edged up 1.0 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 | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 16.8% | 30.8% | 33.3% |
| 2010–14 | 20.1% | 33.1% | 35.6% |
| 2015–19 | 22.5% | 33.9% | 36.0% |
| 2020–24 | 15.9% | 32.9% | 34.8% |
| Change | −0.9 pts | +2.1 pts | +1.5 pts |
Washington County is largely a place of homeowners: only 15.9% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 49.9% have no mortgage at all, well above the national share of 39.8%. The renter share is down 0.9 points from 2006–10, even as the national share rose.
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 | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 7.7% | 10.0% | 11.4% |
| 2010–14 | 12.5% | 10.1% | 11.4% |
| 2015–19 | 9.3% | 9.8% | 11.1% |
| 2020–24 | 9.4% | 8.1% | 9.6% |
| Change | +1.7 pts | −1.9 pts | −1.8 pts |
About as many homes sit empty in Washington County as nationally: 9.4%, against 9.6%. Since 2006–10, vacancy has risen 1.7 points, even as the national rate fell.
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 | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 1963 | 1966 | 1974 |
| 2010–14 | 1966 | 1967 | 1975 |
| 2015–19 | 1968 | 1968 | 1977 |
| 2020–24 | 1972 | 1970 | 1980 |
| Change | +9 | +4 | +6 |
Housing in Washington County leans older: the median home dates to 1972, against 1980 nationally. The median year built has moved up from 1963 in 2006–10, a sign of steady new building. Newer construction is concentrated in the southwest, while the center has the oldest housing.
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 | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | $605 | $953 | $965 |
| 2010–14 | $644 | $1,028 | $1,040 |
| 2015–19 | $714 | $1,165 | $1,213 |
| 2020–24 | $840 | $1,428 | $1,571 |
| Change | +$235 | +$475 | +$606 |
Rent in Washington County runs $840 a month at the median, utilities included, well below the U.S. median of $1,571. Rents are up $235 a month from 2006–10, a 39% rise, a slower climb than the nation's. Rent takes 25.8% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent. The priciest rents are in the southwest; the most affordable are in the northwest.
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 | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 17.3% | 31.2% | 28.4% |
| 2010–14 | 21.4% | 32.4% | 29.6% |
| 2015–19 | 21.2% | 34.7% | 32.1% |
| 2020–24 | 23.4% | 37.7% | 35.6% |
| Change | +6.1 pts | +6.5 pts | +7.2 pts |
College degrees are relatively uncommon in Washington County: 23.4% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. The share with a degree is up 6.1 points from 2006–10, mirroring the country. College graduates are most concentrated in the west and least in the southeast.
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 | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 86.4% | 86.3% | 84.9% |
| 2010–14 | 91.0% | 87.5% | 86.1% |
| 2015–19 | 92.1% | 89.1% | 87.7% |
| 2020–24 | 93.1% | 90.3% | 89.3% |
| Change | +6.7 pts | +4.0 pts | +4.3 pts |
High school completion in Washington County is above the national rate: 93.1% of adults have a diploma, against 89.3%. The share with a diploma is up 6.7 points from 2006–10, mirroring the country.
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 | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 5.1% | 8.7% | 8.1% |
| 2010–14 | 6.2% | 10.2% | 9.4% |
| 2015–19 | 4.7% | 6.1% | 5.6% |
| 2020–24 | 4.3% | 6.0% | 5.4% |
| Change | −0.8 pts | −2.7 pts | −2.7 pts |
Unemployment in Washington County runs below the national rate: 4.3% of the labor force was out of work and looking, against 5.4% nationally. Unemployment has edged down 0.8 points since 2006–10, a smaller shift than nationally. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
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 | 2.32 | 45.4 | 10.0% | 15.9% | 9.4% | 1972 | $840 | 23.4% | 93.1% | 4.3% |
| Jefferson County | 2.42 | 42.4 | 12.5% | 28.3% | 11.6% | 1978 | $887 | 18.4% | 92.6% | 5.8% |
| Monroe County | 2.53 | 43.6 | 6.8% | 15.3% | 6.8% | 1987 | $1,048 | 38.4% | 96.0% | 1.9% |
| Wayne County | 2.37 | 42.5 | 8.6% | 21.6% | 10.3% | 1976 | $704 | 16.1% | 89.1% | 3.5% |
| Jefferson County | 2.62 | 41.0 | 11.1% | 17.8% | 6.9% | 1987 | $1,089 | 25.1% | 92.2% | 3.2% |
| Edwards County | 2.30 | 45.3 | 9.6% | 20.7% | 11.6% | 1969 | $704 | 14.2% | 92.0% | 4.8% |
| Franklin County | 2.46 | 41.8 | 10.7% | 23.5% | 8.0% | 1983 | $947 | 23.7% | 90.5% | 4.3% |
| Wabash County | 2.32 | 42.3 | 13.2% | 23.7% | 13.5% | 1965 | $793 | 17.6% | 92.6% | 3.8% |
| Gibson County | 2.44 | 40.5 | 9.4% | 23.3% | 10.2% | 1974 | $934 | 19.3% | 91.3% | 2.2% |
| Gasconade County | 2.42 | 46.0 | 10.1% | 19.1% | 18.7% | 1976 | $797 | 17.3% | 90.4% | 3.1% |
| Pike County | 2.46 | 42.4 | 9.2% | 13.3% | 11.5% | 1971 | $835 | 15.8% | 90.2% | 4.3% |
All figures 2020–24.
Counties with similar populations: Schuyler County, NY · Emery County, UT · Emmet County, IA · Emporia City, VA · Essex County, VT · Fall River County, SD · Saline County, MO · Saunders County, NE · Sawyer County, WI · Ellsworth County, KS
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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