Population 488,880 · Census ACS 2020–24
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Population and households in Prince William County
Household size in Prince William County
| Period | Prince William County | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.06 | 2.73 | 2.63 | 2.68 |
| 2010–14 | 3.19 | 2.82 | 2.68 | 2.73 |
| 2015–19 | 3.29 | 2.86 | 2.68 | 2.71 |
| 2020–24 | 3.21 | 2.77 | 2.62 | 2.65 |
| Change | +0.15 | +0.04 | −0.01 | −0.03 |
Prince William County is a place of big households: 3.21 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids. Household size has climbed from 3.06 in 2006–10, even as the national average fell. Only one other Virginia county has larger households.
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 Prince William County
| Period | Prince William County | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 34.7 | 37.0 | 38.2 | 37.7 |
| 2010–14 | 35.2 | 37.6 | 39.0 | 38.6 |
| 2015–19 | 36.2 | 38.5 | 40.0 | 39.6 |
| 2020–24 | 37.1 | 39.2 | 40.3 | 40.1 |
| Change | +2.4 | +2.2 | +2.1 | +2.3 |
Prince William County is younger than the country as a whole: its median age is 37.1, against 40.1 nationally. The median age has climbed from 34.7 in 2006–10, mirroring the country. Prince William County is younger than at least four in five Virginia counties.
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 Prince William County
| Period | Prince William County | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.9% | 11.3% | 11.1% | 12.3% |
| 2010–14 | 12.2% | 11.3% | 11.0% | 12.3% |
| 2015–19 | 10.7% | 10.4% | 10.5% | 11.6% |
| 2020–24 | 12.2% | 10.4% | 10.7% | 11.6% |
| Change | −0.7 pts | −0.9 pts | −0.4 pts | −0.6 pts |
Single-parent households are about as common in Prince William County as they are nationally: 12.2%, against 11.6%. Single parents are more common here than in the Washington area overall (10.4%). The single-parent share is down 0.7 points from 2006–10, as it has nationally.
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 Prince William County
Renters in Prince William County
| Period | Prince William County | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 25.2% | 34.0% | 31.1% | 33.3% |
| 2010–14 | 28.2% | 36.6% | 33.3% | 35.6% |
| 2015–19 | 26.7% | 36.8% | 33.7% | 36.0% |
| 2020–24 | 25.7% | 36.3% | 32.7% | 34.8% |
| Change | +0.5 pts | +2.3 pts | +1.5 pts | +1.5 pts |
Most households in Prince William County own their homes; 25.7% rent, below the national share of 34.8%. Among owners, 23.5% have paid off their mortgages, well below the national share of 39.8%. Rentals cluster in the north; owners are most common in the center. Since 2006–10, the renter share has edged up 0.5 points, 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 Prince William County
| Period | Prince William County | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.3% | 8.7% | 10.3% | 11.4% |
| 2010–14 | 5.6% | 7.3% | 10.2% | 11.4% |
| 2015–19 | 5.7% | 6.6% | 9.7% | 11.1% |
| 2020–24 | 4.5% | 5.9% | 8.7% | 9.6% |
| Change | −3.8 pts | −2.8 pts | −1.6 pts | −1.8 pts |
Empty homes are scarce in Prince William County: just 4.5% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Vacancy has fallen 3.8 points since 2006–10, in line with the national trend. Few Virginia counties have a lower vacancy rate: only three of 133.
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 Prince William County
| Period | Prince William County | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 1989 | 1977 | 1978 | 1974 |
| 2010–14 | 1990 | 1978 | 1980 | 1975 |
| 2015–19 | 1991 | 1979 | 1981 | 1977 |
| 2020–24 | 1993 | 1982 | 1984 | 1980 |
| Change | +4 | +6 | +5 | +6 |
Prince William County has newer housing than the country as a whole: the median home was built in 1993, versus 1980 nationally. The median year built has moved up from 1989 in 2006–10, a sign of steady new building. The newest homes are mostly in the northwest, the oldest in the east.
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 Prince William County
| Period | Prince William County | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,617 | $1,470 | $1,143 | $965 |
| 2010–14 | $1,696 | $1,583 | $1,238 | $1,040 |
| 2015–19 | $2,006 | $1,907 | $1,436 | $1,213 |
| 2020–24 | $2,274 | $2,236 | $1,743 | $1,571 |
| Change | +$657 | +$766 | +$600 | +$606 |
The median renter in Prince William County pays $2,274 a month for rent and utilities, well above the national median of $1,571. Rent has climbed $657 a month since 2006–10, up 41%, a slower climb than the nation's. The typical renter here spends 31.6% of household income on rent, just over the 30% mark often used to define affordable rent. Renters on a budget will find the lowest rents in the center; the highest 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 Prince William County
Bachelor's degrees in Prince William County
| Period | Prince William County | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 37.1% | 46.6% | 35.2% | 28.4% |
| 2010–14 | 38.4% | 48.2% | 36.7% | 29.6% |
| 2015–19 | 41.2% | 51.0% | 39.3% | 32.1% |
| 2020–24 | 44.9% | 53.9% | 42.5% | 35.6% |
| Change | +7.8 pts | +7.3 pts | +7.3 pts | +7.2 pts |
More than four in ten adults 25 and older in Prince William County (44.9%) have a bachelor's degree or higher, above the national share of 35.6%. Locally, though, the share is lower than in the wider Washington area (53.9%). The share with a degree is up 7.8 points from 2006–10, 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 Prince William County
| Period | Prince William County | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 88.4% | 89.4% | 86.8% | 84.9% |
| 2010–14 | 89.6% | 90.2% | 88.3% | 86.1% |
| 2015–19 | 88.5% | 90.8% | 89.9% | 87.7% |
| 2020–24 | 90.0% | 91.2% | 91.6% | 89.3% |
| Change | +1.6 pts | +1.7 pts | +4.7 pts | +4.3 pts |
About as many adults in Prince William County have finished high school as nationally: 90.0%, against 89.3%. The share with a diploma is up 1.6 points from 2006–10, in line with the national trend.
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 Prince William County
| Period | Prince William County | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.9% | 5.9% | 6.0% | 8.1% |
| 2010–14 | 5.6% | 6.9% | 7.0% | 9.4% |
| 2015–19 | 4.5% | 4.7% | 4.7% | 5.6% |
| 2020–24 | 4.6% | 4.8% | 4.3% | 5.4% |
| Change | −0.3 pts | −1.1 pts | −1.7 pts | −2.7 pts |
Jobs have been a little easier to find in Prince William County than nationally: unemployment was 4.6%, against 5.4%. The Washington area as a whole looks much the same. 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).
Prince William 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Prince William County | 3.21 | 37.1 | 12.2% | 25.7% | 4.5% | 1993 | $2,274 | 44.9% | 90.0% | 4.6% |
| Manassas City | 3.17 | 35.3 | 12.6% | 28.5% | 3.3% | 1985 | $1,893 | 33.7% | 81.2% | 3.9% |
| Manassas Park City | 3.71 | 36.3 | 12.9% | 33.5% | 6.4% | 1983 | $2,042 | 25.7% | 78.8% | 5.5% |
| Fauquier County | 2.84 | 42.4 | 8.5% | 21.2% | 7.5% | 1989 | $1,817 | 40.7% | 92.3% | 2.7% |
| Charles County | 2.84 | 39.3 | 11.6% | 17.9% | 5.4% | 1992 | $1,956 | 33.7% | 94.6% | 4.8% |
| Rappahannock County | 2.63 | 50.4 | 9.6% | 26.6% | 22.6% | 1981 | $1,402 | 32.5% | 91.1% | 9.7% |
| Calvert County | 2.85 | 41.0 | 8.0% | 12.8% | 7.9% | 1989 | $1,810 | 37.4% | 95.0% | 2.7% |
| Page County | 2.45 | 46.2 | 9.9% | 28.2% | 16.8% | 1973 | $882 | 14.3% | 82.5% | 5.6% |
| Talbot County | 2.33 | 49.9 | 10.0% | 24.9% | 14.6% | 1982 | $1,411 | 40.0% | 92.1% | 4.2% |
| Dorchester County | 2.42 | 43.9 | 12.0% | 34.4% | 16.2% | 1974 | $1,144 | 18.8% | 85.5% | 6.5% |
| Pendleton County | 2.53 | 50.5 | 5.8% | 15.1% | 35.5% | 1977 | $759 | 18.3% | 89.5% | 7.7% |
All figures 2020–24.
Counties with similar populations: St. Charles County, MO · Greenville County, SC · Guilford County, NC · Hampden County, MA · Hillsborough County, NH · Lake County, FL · Lane County, OR · Seminole County, FL · Solano County, CA · Spokane 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 Prince William 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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