Sisterdale, TX Demographics

Population 771 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Sisterdale, TX map of median age by neighborhood
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Population and households in Sisterdale

Household size in Sisterdale

Household size, people per household
PeriodSisterdaleSan Antonio areaTexasU.S.
2006–102.402.852.872.68
2010–142.462.932.932.73
2015–193.263.102.952.71
2020–242.952.842.832.65
Change+0.56−0.01−0.05−0.03
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Households in Sisterdale are large by national standards, averaging 2.95 people against 2.65 for the U.S. That usually means more families with children at home. Household size has climbed from 2.40 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 Sisterdale

Median age, years
PeriodSisterdaleSan Antonio areaTexasU.S.
2006–1052.435.134.737.7
2010–1447.535.735.438.6
2015–1945.636.036.139.6
2020–2448.836.936.740.1
Change−3.6+1.8+2.0+2.3
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With a median age of 48.8, Sisterdale 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 Sisterdale

Single-parent households, % of households
PeriodSisterdaleSan Antonio areaTexasU.S.
2006–105.8%13.5%13.7%12.3%
2010–145.2%14.0%13.7%12.3%
2015–198.9%13.3%13.1%11.6%
2020–246.4%13.3%12.9%11.6%
Change+0.6 pts−0.3 pts−0.8 pts−0.6 pts
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Single-parent households are relatively rare in Sisterdale: 6.4% 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 Sisterdale

Renters in Sisterdale

Renters, % of occupied homes
PeriodSisterdaleSan Antonio areaTexasU.S.
2006–1010.8%34.4%35.2%33.3%
2010–1414.5%37.3%37.3%35.6%
2015–199.7%37.4%38.0%36.0%
2020–246.4%36.7%37.4%34.8%
Change−4.4 pts+2.2 pts+2.3 pts+1.5 pts
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Sisterdale is overwhelmingly a place of homeowners: only 6.4% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Just over half of owners (53.1%) 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 Sisterdale

Vacant homes, % of all homes
PeriodSisterdaleSan Antonio areaTexasU.S.
2006–1024.0%10.7%11.8%11.4%
2010–1423.7%9.4%10.9%11.4%
2015–1935.5%9.3%10.9%11.1%
2020–2417.0%8.7%9.4%9.6%
Change−7.0 pts−1.9 pts−2.4 pts−1.8 pts
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Vacancy is high in Sisterdale: 17.0% 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 Sisterdale

Age of homes, median year built
PeriodSisterdaleSan Antonio areaTexasU.S.
2006–101988198419831974
2010–141988198519851975
2015–191991198719871977
2020–241999199319921980
Change+11+9+8+6
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Sisterdale has newer housing than the country as a whole: the median home was built in 1999, versus 1980 nationally.

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 Sisterdale

Rent, per month
PeriodSisterdaleSan Antonio areaTexasU.S.
2006–10$818$906$921$965
2010–14$1,547$1,022$1,005$1,040
2015–19$994$1,173$1,178$1,213
2020–24$1,321$1,527$1,560$1,571
Change+$503+$621+$639+$606
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The median renter in Sisterdale pays $1,321 a month for rent and utilities, below the national median of $1,571. The typical renter here spends 32.6% of household income on rent, 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 Sisterdale

Bachelor's degrees in Sisterdale

Bachelor's degrees, % of adults 25+
PeriodSisterdaleSan Antonio areaTexasU.S.
2006–1029.6%26.9%27.0%28.4%
2010–1436.1%27.4%27.9%29.6%
2015–1933.2%29.0%30.0%32.1%
2020–2434.2%33.1%34.0%35.6%
Change+4.6 pts+6.2 pts+7.1 pts+7.2 pts
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About a third of adults 25 and older in Sisterdale (34.2%) hold at least a bachelor's degree, close to 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 Sisterdale

High school graduates, % of adults 25+
PeriodSisterdaleSan Antonio areaTexasU.S.
2006–1088.6%83.5%80.7%84.9%
2010–1489.0%84.4%82.0%86.1%
2015–1992.5%85.7%83.6%87.7%
2020–2494.6%88.1%85.8%89.3%
Change+6.0 pts+4.6 pts+5.1 pts+4.3 pts
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High school completion is high in Sisterdale: 94.6% 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 Sisterdale

Unemployment, % of the labor force
PeriodSisterdaleSan Antonio areaTexasU.S.
2006–105.2%6.8%7.0%8.1%
2010–148.0%7.6%7.7%9.4%
2015–195.6%5.2%5.1%5.6%
2020–244.3%5.4%5.3%5.4%
Change−0.9 pts−1.4 pts−1.7 pts−2.7 pts
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Unemployment in Sisterdale runs below the national rate: 4.3% of the labor force was out of work and looking, against 5.4% nationally. 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).

Sisterdale compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Sisterdale2.9548.86.4%6.4%17.0%1999$1,32134.2%94.6%4.3%
Waring2.4254.88.8%5.5%21.5%1991$1,35746.3%95.3%5.0%
Van Raub3.0842.14.4%6.6%10.2%2003$1,75257.4%97.2%1.5%
Leon Springs2.4458.02.7%10.1%8.9%2001$1,72959.9%99.0%2.2%
Bergheim3.0648.71.8%4.1%5.7%2001$1,54153.7%99.3%3.5%
Comfort2.3748.89.1%13.0%18.3%1991$1,02935.0%90.0%5.0%
Kendalia2.4751.94.1%17.2%14.7%2000$81137.2%96.6%4.9%
Blanco2.3549.95.8%28.4%14.7%1997$95635.9%90.6%4.7%
Spring Branch2.6445.75.2%11.3%8.5%2005$1,36840.7%94.4%3.5%
Center Point2.6648.214.0%22.3%21.6%1994$79828.6%82.4%2.8%
Fischer2.4651.44.9%9.1%8.2%2008$1,42637.0%90.5%11.6%

All figures 2020–24.

Cities with similar populations: New London, PA · Raleigh, IL · Racine, MO · Quenemo, KS · Nodine, MN · Neyami, GA · Newtown, KY · Newry, PA · New Vineyard, ME · New Richmond, IN

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 Sisterdale. 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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