78663, TX Demographics

Population 958 · Census ACS 2020–24

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78663, TX map of median age by neighborhood
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Population and households in ZIP 78663

Household size in ZIP 78663

Household size, people per household
PeriodZIP 78663Austin areaTexasU.S.
2006–102.262.692.872.68
2010–142.442.792.932.73
2015–192.542.832.952.71
2020–242.492.552.832.65
Change+0.23−0.14−0.05−0.03
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Households in ZIP 78663 run a little small, averaging 2.49 people against 2.65 nationally, which usually means more singles and couples and fewer children. The Austin area as a whole looks much the same. Household size has climbed from 2.26 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 78663

Median age, years
PeriodZIP 78663Austin areaTexasU.S.
2006–1049.534.034.737.7
2010–1452.535.235.438.6
2015–1954.236.336.139.6
2020–2456.637.236.740.1
Change+7.2+3.3+2.0+2.3
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ZIP 78663 skews older: half of its residents are older than 56.6, 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 78663

Single-parent households, % of households
PeriodZIP 78663Austin areaTexasU.S.
2006–109.3%11.8%13.7%12.3%
2010–145.4%11.2%13.7%12.3%
2015–193.2%9.8%13.1%11.6%
2020–241.9%9.7%12.9%11.6%
Change−7.4 pts−2.2 pts−0.8 pts−0.6 pts
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Single-parent households are relatively rare in ZIP 78663: 1.9% 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 78663

Renters in ZIP 78663

Renters, % of occupied homes
PeriodZIP 78663Austin areaTexasU.S.
2006–108.0%40.7%35.2%33.3%
2010–1416.6%42.1%37.3%35.6%
2015–1913.9%41.8%38.0%36.0%
2020–2418.2%41.7%37.4%34.8%
Change+10.2 pts+1.0 pts+2.3 pts+1.5 pts
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ZIP 78663 is largely a place of homeowners: only 18.2% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. More than half of owners (54.4%) 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 78663

Vacant homes, % of all homes
PeriodZIP 78663Austin areaTexasU.S.
2006–1029.5%8.8%11.8%11.4%
2010–1431.8%8.5%10.9%11.4%
2015–1931.5%8.3%10.9%11.1%
2020–2417.6%5.9%9.4%9.6%
Change−11.9 pts−2.9 pts−2.4 pts−1.8 pts
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Vacant homes make up 17.6% of the housing in ZIP 78663, 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 78663

Age of homes, median year built
PeriodZIP 78663Austin areaTexasU.S.
2006–101985199019831974
2010–141990199219851975
2015–191996199519871977
2020–241999200019921980
Change+14+10+8+6
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ZIP 78663 has newer housing than the country as a whole: the median home was built in 1999, versus 1980 nationally. The Austin 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 78663

Rent, per month
PeriodZIP 78663Austin areaTexasU.S.
2006–10$954$1,064$921$965
2010–14$909$1,155$1,005$1,040
2015–19$803$1,428$1,178$1,213
2020–24$1,683$1,911$1,560$1,571
Change+$729+$847+$639+$606
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A typical rental in ZIP 78663 costs $1,683 a month with utilities, above the national median of $1,571. Even so, rents here are lower than in the Austin area as a whole ($1,911). Rent takes 41.8% of the typical renter's income, 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 78663

Bachelor's degrees in ZIP 78663

Bachelor's degrees, % of adults 25+
PeriodZIP 78663Austin areaTexasU.S.
2006–1035.1%38.3%27.0%28.4%
2010–1436.2%40.3%27.9%29.6%
2015–1935.6%44.2%30.0%32.1%
2020–2446.2%50.4%34.0%35.6%
Change+11.2 pts+12.1 pts+7.1 pts+7.2 pts
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ZIP 78663 is highly educated: 46.2% of adults 25 and older hold at least a bachelor's degree, far above the national share of 35.6%. Still, the share is lower than in the Austin area overall (50.4%).

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 78663

High school graduates, % of adults 25+
PeriodZIP 78663Austin areaTexasU.S.
2006–1091.6%87.6%80.7%84.9%
2010–1496.2%88.3%82.0%86.1%
2015–1996.5%89.9%83.6%87.7%
2020–2497.7%91.6%85.8%89.3%
Change+6.1 pts+4.0 pts+5.1 pts+4.3 pts
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Finishing high school is nearly universal in ZIP 78663: 97.7% 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 ZIP 78663

Unemployment, % of the labor force
PeriodZIP 78663Austin areaTexasU.S.
2006–103.0%6.4%7.0%8.1%
2010–146.8%6.9%7.7%9.4%
2015–196.4%4.3%5.1%5.6%
2020–244.0%4.3%5.3%5.4%
Change+1.0 pts−2.2 pts−1.7 pts−2.7 pts
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Unemployment in ZIP 78663 runs below the national rate: 4.0% of the labor force was out of work and looking, against 5.4% nationally. That is in line with the rest of the Austin area. 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 78663 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 786632.4956.61.9%18.2%17.6%1999$1,68346.2%97.7%4.0%
ZIP 786572.1955.04.4%21.2%32.0%1997$1,41743.8%95.4%1.8%
ZIP 786542.4946.19.3%32.1%15.7%1995$1,39531.5%88.0%2.7%
ZIP 786692.4848.36.0%8.9%16.9%2005$2,36461.4%97.9%2.4%
ZIP 786452.1754.83.1%9.3%11.4%2002$1,74646.2%95.8%5.8%
ZIP 787382.6444.54.0%26.4%5.8%2011$2,42775.3%97.4%3.4%
ZIP 787342.2949.39.2%16.0%10.9%1999$2,23958.0%92.2%2.0%
ZIP 786752.2757.51.2%7.1%24.9%1997$85033.0%88.3%1.0%
ZIP 787322.8337.37.0%26.9%4.1%2004$2,27672.7%97.1%3.1%
ZIP 787332.8944.79.2%10.5%7.7%1996$1,89576.7%98.6%1.5%
ZIP 787262.2334.88.8%59.6%4.8%2002$1,83663.8%98.3%1.9%

All figures 2020–24.

Zip codes with similar populations: 03609, NH · 04616, ME · 97489, OR · 68407, NE · 62628, IL · 63533, MO · 64436, MO · 64631, MO · 64842, MO · 66423, KS

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 78663. 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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