78143, TX Demographics

Population 92 · Census ACS 2020–24

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78143, TX map of median age by neighborhood
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Population and households in ZIP 78143

Household size in ZIP 78143

Household size, people per household
PeriodZIP 78143San Antonio areaTexasU.S.
2006–102.652.852.872.68
2010–143.042.932.932.73
2015–192.803.102.952.71
2020–242.832.842.832.65
Change+0.18−0.01−0.05−0.03
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The typical household in ZIP 78143 holds 2.83 people, more than the U.S. average of 2.65. The San Antonio area as a whole looks much the same. Since 2006–10, household size has climbed from 2.65, 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 78143

Median age, years
PeriodZIP 78143San Antonio areaTexasU.S.
2006–1032.035.134.737.7
2010–1431.035.735.438.6
2015–1945.136.036.139.6
2020–2429.336.936.740.1
Change−2.7+1.8+2.0+2.3
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ZIP 78143 is young: half of its residents are under 29.3, compared with a national median of 40.1. The population tilts toward young families with children.

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 78143

Single-parent households, % of households
PeriodZIP 78143San Antonio areaTexasU.S.
2006–108.9%13.5%13.7%12.3%
2010–1414.4%14.0%13.7%12.3%
2015–192.9%13.3%13.1%11.6%
2020–2424.8%13.3%12.9%11.6%
Change+16.0 pts−0.3 pts−0.8 pts−0.6 pts
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Single parents head about a quarter of households in ZIP 78143 (24.8%), well above the national share of 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 ZIP 78143

Renters in ZIP 78143

Renters, % of occupied homes
PeriodZIP 78143San Antonio areaTexasU.S.
2006–100.0%34.4%35.2%33.3%
2010–146.4%37.3%37.3%35.6%
2015–1913.9%37.4%38.0%36.0%
2020–2413.0%36.7%37.4%34.8%
Change+13.0 pts+2.2 pts+2.3 pts+1.5 pts
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ZIP 78143 is overwhelmingly a place of homeowners: only 13.0% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among owners, 46.2% have paid off their mortgages, 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 78143

Vacant homes, % of all homes
PeriodZIP 78143San Antonio areaTexasU.S.
2006–1033.7%10.7%11.8%11.4%
2010–1410.1%9.4%10.9%11.4%
2015–1922.7%9.3%10.9%11.1%
2020–2413.7%8.7%9.4%9.6%
Change−20.0 pts−1.9 pts−2.4 pts−1.8 pts
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Vacancy is high in ZIP 78143: 13.7% 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 78143

Age of homes, median year built
PeriodZIP 78143San Antonio areaTexasU.S.
2006–101982198419831974
2010–141989198519851975
2015–191997198719871977
2020–241994199319921980
Change+12+9+8+6
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ZIP 78143 has newer housing than the country as a whole: the median home was built in 1994, versus 1980 nationally. The San Antonio area as a whole looks much the same.

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 78143

Rent, per month
PeriodZIP 78143San Antonio areaTexasU.S.
2006–10$592$906$921$965
2010–14$586$1,022$1,005$1,040
2015–19$950$1,173$1,178$1,213
2020–24$1,003$1,527$1,560$1,571
Change+$411+$621+$639+$606
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The median renter in ZIP 78143 pays $1,003 a month for rent and utilities, well below the national median of $1,571. The typical renter here spends 24.5% 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 ZIP 78143

Bachelor's degrees in ZIP 78143

Bachelor's degrees, % of adults 25+
PeriodZIP 78143San Antonio areaTexasU.S.
2006–1013.3%26.9%27.0%28.4%
2010–1434.8%27.4%27.9%29.6%
2015–1924.4%29.0%30.0%32.1%
2020–2426.2%33.1%34.0%35.6%
Change+12.9 pts+6.2 pts+7.1 pts+7.2 pts
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Just over a quarter of adults 25 and older in ZIP 78143 (26.2%) have a bachelor's degree or higher, 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 78143

High school graduates, % of adults 25+
PeriodZIP 78143San Antonio areaTexasU.S.
2006–1090.1%83.5%80.7%84.9%
2010–1488.9%84.4%82.0%86.1%
2015–1995.4%85.7%83.6%87.7%
2020–2470.4%88.1%85.8%89.3%
Change−19.7 pts+4.6 pts+5.1 pts+4.3 pts
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About three in ten adults in ZIP 78143 never finished high school, well above the national share: only 70.4% have a diploma or equivalent, against 89.3% nationally.

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 78143

Unemployment, % of the labor force
PeriodZIP 78143San Antonio areaTexasU.S.
2006–106.8%6.8%7.0%8.1%
2010–1413.0%7.6%7.7%9.4%
2015–198.3%5.2%5.1%5.6%
2020–242.9%5.4%5.3%5.4%
Change−3.9 pts−1.4 pts−1.7 pts−2.7 pts
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The job market in ZIP 78143 has been strong: just 2.9% 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).

ZIP 78143 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 781432.8329.324.8%13.0%13.7%1994$1,00326.2%70.4%2.9%
ZIP 781402.6340.723.9%25.9%11.5%1986$9557.5%74.5%3.4%
ZIP 781602.9340.316.7%17.1%10.0%1996$95520.8%86.5%2.7%
ZIP 781161.8364.36.6%6.0%28.5%2004$95734.9%96.1%10.6%
ZIP 781613.4037.133.5%18.8%9.6%1997$59616.4%93.4%5.9%
ZIP 781592.6036.64.0%26.9%13.2%1980$9319.1%89.2%12.0%
ZIP 786772.6533.99.2%32.7%12.5%1991$1,07013.6%75.5%4.3%
ZIP 781212.9340.06.7%10.3%5.0%2002$1,33630.8%90.1%2.7%
ZIP 781142.9242.78.8%18.0%6.5%1998$1,05423.1%88.9%3.8%
ZIP 779942.9142.314.2%14.1%36.8%1968$1,11625.9%94.7%0.6%
ZIP 781012.8943.88.6%14.2%5.7%1996$1,23226.6%85.0%3.6%

All figures 2020–24.

Zip codes with similar populations: 77428, TX · 56389, MN · 56525, MN · 56565, MN · 56668, MN · 56680, MN · 56711, MN · 56755, MN · 57041, SD · 57197, SD

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 78143. 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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