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ZIP CODE TABULATION AREA

78628

Texas · 50,822 residents · 64.7 sq mi
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ZIP 78628 is a ZIP code of 50,822 people in Williamson County. 55% of adults hold a bachelor's degree, against 36% nationally. Median household income runs $125,635, well clear of the $82,259 US median. Owners hold 75% of the housing stock. Median home value sits at $496,600. Poverty is uncommon here, at 7.3% of people in this ZIP code. Among the 17 ZIP codes in Williamson County, 78628 ranks 4th by median household income.

$125,635
US average: $82,259
$60,880
US average: $44,673
$496,600
US average: $376,019
55.0%
US average: 35.6%
Land area
64.7 sq mi
Age, sex & households
Under 18
23.7%
Age 65+
17.2%
49.3%
50.7%
2.65 people
Race & ethnicity · 2024
2024
White, non-Hispanic68.3%(34,725)
Black3.5%(1,776)
Hispanic / Latino15.2%(7,729)
Asian8.4%(4,293)
Other4.5%(2,299)
62
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.0
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
LOWEST4TH OF 17HIGHEST
Adjacent ZIPs
76527$81,574
76530$106,250
76537$98,199
Frequently asked

How many people live in ZIP code 78628?

ZIP code 78628 has about 50,822 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 78628?

The typical household in ZIP code 78628 earns about $125,635 a year. Half of households make more than that, and half make less.

Is ZIP code 78628 expensive?

In ZIP code 78628, the median home is worth about $496,600, and the typical rent is about $1,687 a month.

How educated are people in ZIP code 78628?

About 55.0% of adults age 25 and over in ZIP code 78628 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 78628?

About 7.3% of people in ZIP code 78628 live below the federal poverty line.

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