Population 2,148 · Census ACS 2020–24
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Population and households in ZIP 78123
Household size in ZIP 78123
| Period | ZIP 78123 | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.57 | 2.85 | 2.87 | 2.68 |
| 2010–14 | 2.58 | 2.93 | 2.93 | 2.73 |
| 2015–19 | 2.43 | 3.10 | 2.95 | 2.71 |
| 2020–24 | 2.42 | 2.84 | 2.83 | 2.65 |
| Change | −0.15 | −0.01 | −0.05 | −0.03 |
Households in ZIP 78123 run small, averaging 2.42 people against 2.65 nationally, which usually means more singles and couples and fewer children. Household size has dropped from 2.57 in 2006–10, 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 ZIP 78123
| Period | ZIP 78123 | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 43.4 | 35.1 | 34.7 | 37.7 |
| 2010–14 | 41.7 | 35.7 | 35.4 | 38.6 |
| 2015–19 | 43.9 | 36.0 | 36.1 | 39.6 |
| 2020–24 | 52.7 | 36.9 | 36.7 | 40.1 |
| Change | +9.4 | +1.8 | +2.0 | +2.3 |
ZIP 78123 skews older: half of its residents are older than 52.7, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.
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 ZIP 78123
| Period | ZIP 78123 | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.7% | 13.5% | 13.7% | 12.3% |
| 2010–14 | 11.6% | 14.0% | 13.7% | 12.3% |
| 2015–19 | 10.2% | 13.3% | 13.1% | 11.6% |
| 2020–24 | 7.6% | 13.3% | 12.9% | 11.6% |
| Change | −2.1 pts | −0.3 pts | −0.8 pts | −0.6 pts |
Single-parent households are relatively rare in ZIP 78123: 7.6% 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 ZIP 78123
Renters in ZIP 78123
| Period | ZIP 78123 | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 16.7% | 34.4% | 35.2% | 33.3% |
| 2010–14 | 19.7% | 37.3% | 37.3% | 35.6% |
| 2015–19 | 27.9% | 37.4% | 38.0% | 36.0% |
| 2020–24 | 10.4% | 36.7% | 37.4% | 34.8% |
| Change | −6.2 pts | +2.2 pts | +2.3 pts | +1.5 pts |
ZIP 78123 is overwhelmingly a place of homeowners: only 10.4% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. About two-thirds of owners (65.0%) have paid off their mortgages, well above 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 ZIP 78123
| Period | ZIP 78123 | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 28.4% | 10.7% | 11.8% | 11.4% |
| 2010–14 | 23.5% | 9.4% | 10.9% | 11.4% |
| 2015–19 | 29.9% | 9.3% | 10.9% | 11.1% |
| 2020–24 | 19.9% | 8.7% | 9.4% | 9.6% |
| Change | −8.5 pts | −1.9 pts | −2.4 pts | −1.8 pts |
Vacancy is high in ZIP 78123: 19.9% of homes are empty, 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 ZIP 78123
| Period | ZIP 78123 | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 1988 | 1984 | 1983 | 1974 |
| 2010–14 | 1985 | 1985 | 1985 | 1975 |
| 2015–19 | 1986 | 1987 | 1987 | 1977 |
| 2020–24 | 1999 | 1993 | 1992 | 1980 |
| Change | +12 | +9 | +8 | +6 |
Much of the housing in ZIP 78123 is relatively new: half of its homes were built after 1999, compared with 1980 for the U.S. as a whole.
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 ZIP 78123
| Period | ZIP 78123 | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | $698 | $906 | $921 | $965 |
| 2010–14 | $700 | $1,022 | $1,005 | $1,040 |
| 2015–19 | $930 | $1,173 | $1,178 | $1,213 |
| 2020–24 | $1,396 | $1,527 | $1,560 | $1,571 |
| Change | +$698 | +$621 | +$639 | +$606 |
Rent in ZIP 78123 runs $1,396 a month at the median, utilities included, below the U.S. median of $1,571. The typical renter here spends 38.8% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched.
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 ZIP 78123
Bachelor's degrees in ZIP 78123
| Period | ZIP 78123 | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 23.8% | 26.9% | 27.0% | 28.4% |
| 2010–14 | 16.2% | 27.4% | 27.9% | 29.6% |
| 2015–19 | 22.4% | 29.0% | 30.0% | 32.1% |
| 2020–24 | 24.4% | 33.1% | 34.0% | 35.6% |
| Change | +0.7 pts | +6.2 pts | +7.1 pts | +7.2 pts |
College degrees are relatively uncommon in ZIP 78123: 24.4% of adults 25 and older hold a bachelor's or higher, well below 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 ZIP 78123
| Period | ZIP 78123 | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 84.5% | 83.5% | 80.7% | 84.9% |
| 2010–14 | 88.1% | 84.4% | 82.0% | 86.1% |
| 2015–19 | 89.2% | 85.7% | 83.6% | 87.7% |
| 2020–24 | 92.9% | 88.1% | 85.8% | 89.3% |
| Change | +8.4 pts | +4.6 pts | +5.1 pts | +4.3 pts |
Just over nine in ten adults in ZIP 78123 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 ZIP 78123
| Period | ZIP 78123 | San Antonio area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.6% | 6.8% | 7.0% | 8.1% |
| 2010–14 | 4.8% | 7.6% | 7.7% | 9.4% |
| 2015–19 | 1.8% | 5.2% | 5.1% | 5.6% |
| 2020–24 | 5.6% | 5.4% | 5.3% | 5.4% |
| Change | −3.9 pts | −1.4 pts | −1.7 pts | −2.7 pts |
At 5.6%, unemployment in ZIP 78123 is close to the national rate of 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).
ZIP 78123 compared with nearby ZIP codes
| ZIP code | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| ZIP 78123 | 2.42 | 52.7 | 7.6% | 10.4% | 19.9% | 1999 | $1,396 | 24.4% | 92.9% | 5.6% |
| ZIP 78155 | 2.67 | 40.7 | 14.2% | 28.1% | 8.1% | 1992 | $1,457 | 21.5% | 86.5% | 3.9% |
| ZIP 78130 | 2.59 | 36.4 | 11.4% | 34.0% | 8.1% | 2003 | $1,778 | 36.7% | 91.9% | 4.2% |
| ZIP 78124 | 2.77 | 42.9 | 9.7% | 13.6% | 6.1% | 1999 | $1,487 | 28.2% | 87.7% | 4.6% |
| ZIP 78108 | 3.13 | 36.3 | 11.6% | 18.9% | 5.7% | 2008 | $2,087 | 41.5% | 92.3% | 6.7% |
| ZIP 78132 | 2.81 | 44.2 | 5.5% | 13.2% | 4.3% | 2010 | $1,639 | 53.1% | 96.2% | 3.0% |
| ZIP 78638 | 2.75 | 47.4 | 7.4% | 21.0% | 14.2% | 1993 | $1,187 | 24.4% | 86.5% | 6.0% |
| ZIP 78154 | 2.75 | 38.9 | 10.4% | 27.1% | 6.2% | 2003 | $1,855 | 39.9% | 94.2% | 5.5% |
| ZIP 78150 | 3.41 | 22.6 | 4.4% | 100.0% | 2.8% | 1938 | $2,247 | 62.7% | 99.3% | 3.6% |
| ZIP 78148 | 2.63 | 35.7 | 10.9% | 46.3% | 4.9% | 1987 | $1,447 | 35.1% | 95.7% | 4.9% |
| ZIP 78266 | 2.63 | 46.8 | 11.5% | 15.8% | 6.1% | 2004 | $1,290 | 55.9% | 97.5% | 2.3% |
All figures 2020–24.
Zip codes with similar populations: 03902, ME · 64673, MO · 43148, OH · 43149, OH · 43977, OH · 45174, OH · 46056, IN · 47809, IN · 48815, MI · 53170, WI
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 ZIP 78123. 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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