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ZIP CODE TABULATION AREA

78638

Texas · 2,135 residents · 118 sq mi
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ZIP 78638 is home to 2,135 people in Guadalupe County. The median age is 45.4, about 6 years above the US median. Getting to work takes 43 minutes on average. 79% of homes are owner-occupied. Four-year degrees are less common here than nationally, at 23% of adults. Density works out to 18 people per square mile. Among the 7 ZIP codes in Guadalupe County, 78638 ranks 7th by median household income.

$69,250
US average: $82,259
$40,200
US average: $44,673
$317,400
US average: $376,019
23.5%
US average: 35.6%
Land area
118 sq mi
Age, sex & households
Under 18
22.2%
Age 65+
20.9%
49.0%
51.0%
3.02 people
Race & ethnicity · 2024
2024
White, non-Hispanic67.5%(1,442)
Black0%(0)
Hispanic / Latino28.3%(605)
Asian0%(0)
Other4.1%(88)
58
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.6
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Guadalupe County
Income rank vs other ZIPs
LOWEST7TH OF 7HIGHEST
Adjacent ZIPs
78108$113,004
78123$97,553
78124$74,192
78130$83,064
Frequently asked

How many people live in ZIP code 78638?

ZIP code 78638 has about 2,135 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 78638?

The typical household in ZIP code 78638 earns about $69,250 a year. Half of households make more than that, and half make less.

Is ZIP code 78638 expensive?

In ZIP code 78638, the median home is worth about $317,400, and the typical rent is about $1,135 a month.

How educated are people in ZIP code 78638?

About 23.5% of adults age 25 and over in ZIP code 78638 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 78638?

About 8.4% of people in ZIP code 78638 live below the federal poverty line.

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Containing area
Guadalupe County

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