Population 124 · Census ACS 2020–24
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Population and households in Rock Mills
Household size in Rock Mills
| Period | Rock Mills | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 1.99 | 2.73 | 2.63 | 2.68 |
| 2010–14 | 2.19 | 2.82 | 2.68 | 2.73 |
| 2015–19 | 2.44 | 2.86 | 2.68 | 2.71 |
| 2020–24 | 2.06 | 2.77 | 2.62 | 2.65 |
| Change | +0.07 | +0.04 | −0.01 | −0.03 |
Rock Mills is a place of small households, averaging 2.06 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children.
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 Rock Mills
| Period | Rock Mills | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 51.2 | 37.0 | 38.2 | 37.7 |
| 2010–14 | 50.5 | 37.6 | 39.0 | 38.6 |
| 2015–19 | 55.3 | 38.5 | 40.0 | 39.6 |
| 2020–24 | 57.6 | 39.2 | 40.3 | 40.1 |
| Change | +6.4 | +2.2 | +2.1 | +2.3 |
With a median age of 57.6, Rock Mills is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. The median age has climbed from 51.2 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.
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 Rock Mills
| Period | Rock Mills | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.5% | 11.3% | 11.1% | 12.3% |
| 2010–14 | 3.1% | 11.3% | 11.0% | 12.3% |
| 2015–19 | 4.3% | 10.4% | 10.5% | 11.6% |
| 2020–24 | 9.3% | 10.4% | 10.7% | 11.6% |
| Change | +0.8 pts | −0.9 pts | −0.4 pts | −0.6 pts |
Single-parent households are less common in Rock Mills than nationally: 9.3%, against 11.6%.
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 Rock Mills
Renters in Rock Mills
| Period | Rock Mills | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 28.7% | 34.0% | 31.1% | 33.3% |
| 2010–14 | 14.9% | 36.6% | 33.3% | 35.6% |
| 2015–19 | 29.4% | 36.8% | 33.7% | 36.0% |
| 2020–24 | 20.4% | 36.3% | 32.7% | 34.8% |
| Change | −8.3 pts | +2.3 pts | +1.5 pts | +1.5 pts |
Rock Mills is largely a place of homeowners: only 20.4% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. About three in ten owners (29.1%) have paid off their mortgages, well below the national share of 39.8%.
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 Rock Mills
| Period | Rock Mills | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 25.5% | 8.7% | 10.3% | 11.4% |
| 2010–14 | 16.8% | 7.3% | 10.2% | 11.4% |
| 2015–19 | 35.5% | 6.6% | 9.7% | 11.1% |
| 2020–24 | 15.7% | 5.9% | 8.7% | 9.6% |
| Change | −9.8 pts | −2.8 pts | −1.6 pts | −1.8 pts |
Vacant homes make up 15.7% of the housing in Rock Mills, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.
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 Rock Mills
| Period | Rock Mills | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 1972 | 1977 | 1978 | 1974 |
| 2010–14 | 1966 | 1978 | 1980 | 1975 |
| 2015–19 | 1969 | 1979 | 1981 | 1977 |
| 2020–24 | 1985 | 1982 | 1984 | 1980 |
| Change | +13 | +6 | +5 | +6 |
The housing in Rock Mills is a little younger than the country's: half of it was built after 1985, against 1980 nationally. The picture is much the same across the Washington area.
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 Rock Mills
| Period | Rock Mills | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,146 | $1,470 | $1,143 | $965 |
| 2010–14 | $1,093 | $1,583 | $1,238 | $1,040 |
| 2015–19 | $1,092 | $1,907 | $1,436 | $1,213 |
| 2020–24 | $1,448 | $2,236 | $1,743 | $1,571 |
| Change | +$302 | +$766 | +$600 | +$606 |
Rent in Rock Mills runs $1,448 a month at the median, utilities included, below the U.S. median of $1,571. The typical renter here spends 20.9% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
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 Rock Mills
Bachelor's degrees in Rock Mills
| Period | Rock Mills | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 28.5% | 46.6% | 35.2% | 28.4% |
| 2010–14 | 39.0% | 48.2% | 36.7% | 29.6% |
| 2015–19 | 38.3% | 51.0% | 39.3% | 32.1% |
| 2020–24 | 30.9% | 53.9% | 42.5% | 35.6% |
| Change | +2.4 pts | +7.3 pts | +7.3 pts | +7.2 pts |
College degrees are a little less common in Rock Mills than nationally: 30.9% of adults 25 and older have a bachelor's or higher, against 35.6%.
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 Rock Mills
| Period | Rock Mills | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 78.3% | 89.4% | 86.8% | 84.9% |
| 2010–14 | 86.6% | 90.2% | 88.3% | 86.1% |
| 2015–19 | 92.9% | 90.8% | 89.9% | 87.7% |
| 2020–24 | 95.3% | 91.2% | 91.6% | 89.3% |
| Change | +17.0 pts | +1.7 pts | +4.7 pts | +4.3 pts |
High school completion is high in Rock Mills: 95.3% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
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 Rock Mills
| Period | Rock Mills | Washington area | Virginia | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.2% | 5.9% | 6.0% | 8.1% |
| 2010–14 | 6.8% | 6.9% | 7.0% | 9.4% |
| 2015–19 | 1.6% | 4.7% | 4.7% | 5.6% |
| 2020–24 | 5.5% | 4.8% | 4.3% | 5.4% |
| Change | +1.4 pts | −1.1 pts | −1.7 pts | −2.7 pts |
Unemployment in Rock Mills is close to the national rate: 5.5% of the labor force, against 5.4%. 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).
Rock Mills compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Rock Mills | 2.06 | 57.6 | 9.3% | 20.4% | 15.7% | 1985 | $1,448 | 30.9% | 95.3% | 5.5% |
| Woodville | 2.27 | 63.8 | 10.2% | 31.0% | 24.6% | 1979 | $1,448 | 65.9% | 99.1% | 28.0% |
| Castleton | 2.13 | 54.7 | 8.8% | 18.7% | 13.1% | 1986 | $1,370 | 26.1% | 93.7% | 2.9% |
| Laurel Mills | 2.23 | 54.5 | 6.7% | 31.6% | 24.7% | 1978 | $1,448 | 45.0% | 87.8% | 17.0% |
| Scrabble | 2.01 | 56.1 | 9.1% | 18.1% | 13.5% | 1986 | $1,448 | 22.3% | 94.4% | 0.0% |
| Washington | 2.32 | 56.5 | 8.1% | 33.9% | 30.5% | 1972 | $1,471 | 43.7% | 95.2% | 10.0% |
| Sperryville | 2.22 | 57.1 | 8.4% | 27.8% | 23.7% | 1977 | $1,429 | 39.9% | 94.9% | 9.5% |
| Viewtown | 2.57 | 48.0 | 7.3% | 20.3% | 10.6% | 1986 | $1,076 | 34.5% | 89.7% | 10.0% |
| Rixeyville | 2.86 | 45.3 | 4.5% | 8.6% | 4.7% | 1990 | $1,392 | 24.8% | 90.2% | 3.1% |
| Boston | 2.57 | 48.6 | 3.4% | 4.9% | 11.1% | 1991 | $1,641 | 19.9% | 90.1% | 2.2% |
| Flint Hill | 3.15 | 44.3 | 10.7% | 21.8% | 22.2% | 1985 | $1,372 | 25.3% | 88.2% | 9.6% |
All figures 2020–24.
Cities with similar populations: Rosston, TX · Melrose, AL · Menlo, KS · Mercer, NE · Mercyville, MO · Merna, WY · Merritt, IL · Mesa Lakes, CO · Miamiville, OH · Middle Bass, OH
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 Rock Mills. 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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