Population 3,943 · Census ACS 2020–24
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Population and households in Castle Hills
Household size in Castle Hills
| Period | Castle Hills | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.20 | 2.85 | 2.87 | 2.68 |
| 2010–14 | 2.47 | 2.93 | 2.93 | 2.73 |
| 2015–19 | 2.69 | 3.10 | 2.95 | 2.71 |
| 2020–24 | 2.61 | 2.84 | 2.83 | 2.65 |
| Change | +0.41 | −0.01 | −0.05 | −0.03 |
Households in Castle Hills average 2.61 people, about the same as the country as a whole (2.65). The typical household here is smaller than in the San Antonio area as a whole, where it has 2.84 people. Since 2006–10, household size has climbed from 2.20, but in a place this small, survey estimates can swing a lot from one release to the next.
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 Castle Hills
| Period | Castle Hills | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 53.5 | 35.1 | 34.7 | 37.7 |
| 2010–14 | 51.3 | 35.7 | 35.4 | 38.6 |
| 2015–19 | 46.1 | 36.0 | 36.1 | 39.6 |
| 2020–24 | 44.9 | 36.9 | 36.7 | 40.1 |
| Change | −8.6 | +1.8 | +2.0 | +2.3 |
With a median age of 44.9, Castle Hills is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.
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 Castle Hills
| Period | Castle Hills | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.4% | 13.5% | 13.7% | 12.3% |
| 2010–14 | 7.4% | 14.0% | 13.7% | 12.3% |
| 2015–19 | 8.6% | 13.3% | 13.1% | 11.6% |
| 2020–24 | 6.7% | 13.3% | 12.9% | 11.6% |
| Change | −0.7 pts | −0.3 pts | −0.8 pts | −0.6 pts |
Single-parent households are relatively rare in Castle Hills: 6.7% of households, against 11.6% 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 Castle Hills
Renters in Castle Hills
| Period | Castle Hills | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 26.7% | 34.4% | 35.2% | 33.3% |
| 2010–14 | 28.5% | 37.3% | 37.3% | 35.6% |
| 2015–19 | 16.2% | 37.4% | 38.0% | 36.0% |
| 2020–24 | 21.1% | 36.7% | 37.4% | 34.8% |
| Change | −5.6 pts | +2.2 pts | +2.3 pts | +1.5 pts |
Only 21.1% of households in Castle Hills rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 41.6% have no mortgage at all, about the same as nationally.
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 Castle Hills
| Period | Castle Hills | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 11.1% | 10.7% | 11.8% | 11.4% |
| 2010–14 | 12.7% | 9.4% | 10.9% | 11.4% |
| 2015–19 | 17.1% | 9.3% | 10.9% | 11.1% |
| 2020–24 | 12.6% | 8.7% | 9.4% | 9.6% |
| Change | +1.4 pts | −1.9 pts | −2.4 pts | −1.8 pts |
More homes sit empty in Castle Hills than nationally: 12.6%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones.
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 Castle Hills
| Period | Castle Hills | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 1962 | 1984 | 1983 | 1974 |
| 2010–14 | 1964 | 1985 | 1985 | 1975 |
| 2015–19 | 1964 | 1987 | 1987 | 1977 |
| 2020–24 | 1965 | 1993 | 1992 | 1980 |
| Change | +3 | +9 | +8 | +6 |
Castle Hills is a place of older homes: half were built before 1965, while the national median is 1980. That means established neighborhoods, and more houses that may need updating.
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 Castle Hills
| Period | Castle Hills | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,398 | $906 | $921 | $965 |
| 2010–14 | $1,212 | $1,022 | $1,005 | $1,040 |
| 2015–19 | $1,180 | $1,173 | $1,178 | $1,213 |
| 2020–24 | $1,820 | $1,527 | $1,560 | $1,571 |
| Change | +$422 | +$621 | +$639 | +$606 |
Rent in Castle Hills runs $1,820 a month at the median, utilities included, above the U.S. median of $1,571. Rent takes 31.7% of the typical renter's income, just over the 30% mark often used to define affordable rent.
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 Castle Hills
Bachelor's degrees in Castle Hills
| Period | Castle Hills | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 52.4% | 26.9% | 27.0% | 28.4% |
| 2010–14 | 50.2% | 27.4% | 27.9% | 29.6% |
| 2015–19 | 52.6% | 29.0% | 30.0% | 32.1% |
| 2020–24 | 49.2% | 33.1% | 34.0% | 35.6% |
| Change | −3.2 pts | +6.2 pts | +7.1 pts | +7.2 pts |
Castle Hills is highly educated: about half of adults 25 and older (49.2%) hold at least a bachelor's degree, far above the national share of 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 Castle Hills
| Period | Castle Hills | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 94.2% | 83.5% | 80.7% | 84.9% |
| 2010–14 | 92.6% | 84.4% | 82.0% | 86.1% |
| 2015–19 | 90.3% | 85.7% | 83.6% | 87.7% |
| 2020–24 | 92.9% | 88.1% | 85.8% | 89.3% |
| Change | −1.3 pts | +4.6 pts | +5.1 pts | +4.3 pts |
Just over nine in ten adults in Castle Hills have finished high school (92.9%), 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 Castle Hills
| Period | Castle Hills | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.2% | 6.8% | 7.0% | 8.1% |
| 2010–14 | 2.4% | 7.6% | 7.7% | 9.4% |
| 2015–19 | 3.2% | 5.2% | 5.1% | 5.6% |
| 2020–24 | 2.4% | 5.4% | 5.3% | 5.4% |
| Change | −1.9 pts | −1.4 pts | −1.7 pts | −2.7 pts |
The job market in Castle Hills has been strong: just 2.4% of the labor force was out of work and looking, well below the national rate of 5.4%. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's 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).
Castle Hills 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Castle Hills | 2.61 | 44.9 | 6.7% | 21.1% | 12.6% | 1965 | $1,820 | 49.2% | 92.9% | 2.4% |
| Balcones Heights | 1.88 | 32.4 | 19.3% | 83.7% | 8.9% | 1973 | $988 | 15.8% | 90.3% | 6.2% |
| San Antonio area | 2.84 | 36.9 | 13.3% | 36.7% | 8.7% | 1993 | $1,527 | 33.1% | 88.1% | 5.4% |
| Olmos Park | 2.58 | 40.2 | 6.7% | 16.0% | 14.7% | 1943 | $1,037 | 77.6% | 99.4% | 8.8% |
| Alamo Heights | 2.28 | 43.3 | 9.2% | 25.9% | 17.1% | 1958 | $1,937 | 73.3% | 97.9% | 2.9% |
| Hill Country Village | 2.69 | 48.4 | 7.7% | 12.3% | 10.6% | 1981 | $2,006 | 64.3% | 95.5% | 1.7% |
| Terrell Hills | 2.77 | 42.1 | 4.3% | 18.7% | 10.7% | 1957 | $1,257 | 77.0% | 95.5% | 3.7% |
| Shavano Park | 2.37 | 43.2 | 3.5% | 33.2% | 9.5% | 2005 | $1,497 | 72.3% | 99.2% | 1.2% |
| Hollywood Park | 2.62 | 38.7 | 12.1% | 18.5% | 10.7% | 1977 | $1,772 | 72.7% | 96.6% | 0.4% |
| Leon Valley | 2.56 | 37.6 | 14.3% | 42.2% | 14.0% | 1981 | $1,331 | 28.2% | 86.7% | 6.9% |
| Windcrest | 2.71 | 41.0 | 12.8% | 18.4% | 13.2% | 1979 | $1,360 | 41.2% | 94.1% | 3.2% |
All figures 2020–24.
Cities with similar populations: Vernon, AL · Clearlake Oaks, CA · North Hampton, NH · North Shore, LA · Northlake, SC · Jackson, MN · East Bernard, TX · Corning, AR · Chester, WV · Carefree, AZ
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 Castle Hills. 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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