78243, TX Demographics

Population 247 · Census ACS 2020–24

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78243, TX map of median age by neighborhood
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Population and households in ZIP 78243

Household size in ZIP 78243

Household size, people per household
PeriodZIP 78243San Antonio areaTexasU.S.
2006–103.412.852.872.68
2010–141.942.932.932.73
2015–194.583.102.952.71
2020–243.172.842.832.65
Change−0.24−0.01−0.05−0.03
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Households in ZIP 78243 are large by national standards, averaging 3.17 people against 2.65 for the U.S. That usually means more families with children at home. Household size has dropped from 3.41 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.

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 78243

Median age, years
PeriodZIP 78243San Antonio areaTexasU.S.
2006–1028.935.134.737.7
2010–1419.935.735.438.6
2015–1920.936.036.139.6
2020–2424.336.936.740.1
Change−4.6+1.8+2.0+2.3
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ZIP 78243 is young: half of its residents are under 24.3, compared with a national median of 40.1. The population tilts toward young adults in their twenties.

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 78243

Single-parent households, % of households
PeriodZIP 78243San Antonio areaTexasU.S.
2006–1014.3%13.5%13.7%12.3%
2010–1429.5%14.0%13.7%12.3%
2015–1973.8%13.3%13.1%11.6%
2020–2440.9%13.3%12.9%11.6%
Change+26.7 pts−0.3 pts−0.8 pts−0.6 pts
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Single-parent households are common in ZIP 78243: 40.9% of all 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 78243

Renters in ZIP 78243

Renters, % of occupied homes
PeriodZIP 78243San Antonio areaTexasU.S.
2006–10100.0%34.4%35.2%33.3%
2010–14100.0%37.3%37.3%35.6%
2015–19100.0%37.4%38.0%36.0%
2020–24100.0%36.7%37.4%34.8%
Change±0.0 pts+2.2 pts+2.3 pts+1.5 pts
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Most households in ZIP 78243 rent: 100.0% of occupied homes are rented, far above the national share of 34.8%. Expect more apartments, and more turnover, than in owner-heavy areas. Among homeowners, 39.9% 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 ZIP 78243

Vacant homes, % of all homes
PeriodZIP 78243San Antonio areaTexasU.S.
2006–1077.6%10.7%11.8%11.4%
2010–1480.3%9.4%10.9%11.4%
2015–1972.7%9.3%10.9%11.1%
2020–2421.9%8.7%9.4%9.6%
Change−55.8 pts−1.9 pts−2.4 pts−1.8 pts
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Vacancy is high in ZIP 78243: 21.9% 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 78243

Age of homes, median year built
PeriodZIP 78243San Antonio areaTexasU.S.
2006–101955198419831974
2010–141958198519851975
2015–191949198719871977
2020–241960199319921980
Change+5+9+8+6
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The housing in ZIP 78243 is old by national standards: the median home dates to 1960, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates.

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 78243

Rent, per month
PeriodZIP 78243San Antonio areaTexasU.S.
2006–10$761$906$921$965
2010–14$1,296$1,022$1,005$1,040
2015–19$1,358$1,173$1,178$1,213
2020–24$1,603$1,527$1,560$1,571
Change+$842+$621+$639+$606
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The median renter in ZIP 78243 pays $1,603 a month for rent and utilities, close to the national median of $1,571. Rent takes 28.7% of the typical renter's income, just under 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 ZIP 78243

Bachelor's degrees in ZIP 78243

Bachelor's degrees, % of adults 25+
PeriodZIP 78243San Antonio areaTexasU.S.
2006–1018.3%26.9%27.0%28.4%
2010–1468.2%27.4%27.9%29.6%
2015–1913.7%29.0%30.0%32.1%
2020–245.4%33.1%34.0%35.6%
Change−12.9 pts+6.2 pts+7.1 pts+7.2 pts
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Fewer adults in ZIP 78243 have a four-year degree than in the country as a whole: 5.4%, against 35.6% nationally.

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 78243

High school graduates, % of adults 25+
PeriodZIP 78243San Antonio areaTexasU.S.
2006–1098.7%83.5%80.7%84.9%
2010–14100.0%84.4%82.0%86.1%
2015–1996.8%85.7%83.6%87.7%
2020–2493.0%88.1%85.8%89.3%
Change−5.7 pts+4.6 pts+5.1 pts+4.3 pts
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High school completion in ZIP 78243 is above the national rate: 93.0% of adults have a diploma, against 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 78243

Unemployment, % of the labor force
PeriodZIP 78243San Antonio areaTexasU.S.
2006–100.0%6.8%7.0%8.1%
2010–140.0%7.6%7.7%9.4%
2015–1913.5%5.2%5.1%5.6%
2020–242.1%5.4%5.3%5.4%
Change+2.1 pts−1.4 pts−1.7 pts−2.7 pts
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The job market in ZIP 78243 has been strong: just 2.1% of the labor force was out of work and looking, well below 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 78243 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 782433.1724.340.9%100.0%21.9%1960$1,6035.4%93.0%2.1%
ZIP 782423.3830.224.6%43.9%7.0%1986$1,29310.9%69.1%10.9%
ZIP 782363.9021.314.0%97.7%9.2%2003$2,18837.7%96.2%3.3%
ZIP 782262.8537.024.7%55.1%18.7%1959$1,12811.8%70.2%6.5%
ZIP 782113.3237.222.1%38.1%9.8%1969$1,1618.0%65.1%8.9%
ZIP 782273.1634.220.5%41.2%11.1%1978$1,25011.3%78.2%7.3%
ZIP 782373.2135.522.7%39.9%11.5%1969$1,0716.6%65.2%10.0%
ZIP 782243.2430.821.2%45.1%13.1%1996$1,22810.4%78.5%5.3%
ZIP 782252.8439.217.2%35.7%8.8%1949$1,22012.9%77.3%8.1%
ZIP 782072.8432.923.6%59.4%11.9%1963$8826.8%62.8%14.7%
ZIP 782523.1130.126.0%18.3%6.5%2017$1,67719.6%83.3%4.4%

All figures 2020–24.

Zip codes with similar populations: 24869, WV · 79733, TX · 79505, TX · 77468, TX · 29346, SC · 28350, NC · 28076, NC · 25932, WV · 25920, WV · 25862, WV

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 78243. 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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