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ZIP CODE TABULATION AREA

78664

Texas · 62,060 residents · 16.6 sq mi
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ZIP 78664 is home to 62,060 people in Williamson County. Owners hold 54% of the housing stock. Density works out to 3,736 people per square mile. The median age is 35.1, younger than the US median of 38.9. That trails the Williamson County median by roughly 21%. Median household income is $87,417, close to the national figure. Among the 17 ZIP codes in Williamson County, 78664 ranks 13th by median household income.

$87,417
US average: $82,259
$43,876
US average: $44,673
$358,200
US average: $376,019
36.4%
US average: 35.6%
Land area
16.6 sq mi
Age, sex & households
Under 18
22.3%
Age 65+
10.8%
48.4%
51.6%
2.62 people
Race & ethnicity · 2024
2024
White, non-Hispanic39.6%(24,585)
Black13.7%(8,501)
Hispanic / Latino35.8%(22,200)
Asian5.8%(3,604)
Other5.1%(3,170)
86
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.1
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Williamson County
Income rank vs other ZIPs
LOWEST13TH OF 17HIGHEST
Adjacent ZIPs
76527$81,574
76530$106,250
76537$98,199
Frequently asked

How many people live in ZIP code 78664?

ZIP code 78664 has about 62,060 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 78664?

The typical household in ZIP code 78664 earns about $87,417 a year. Half of households make more than that, and half make less.

Is ZIP code 78664 expensive?

In ZIP code 78664, the median home is worth about $358,200, and the typical rent is about $1,692 a month.

How educated are people in ZIP code 78664?

About 36.4% of adults age 25 and over in ZIP code 78664 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 78664?

About 10.2% of people in ZIP code 78664 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024