CensusEasy
ZIP CODE TABULATION AREA

78123

Texas · 2,127 residents · 3.736 sq mi
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ZIP 78123 is wealthier than most US places, with a median household income of $97,553. Population has held roughly steady since 2024. Median home value is $238,500. With a median age of 48.9, the population is older than the US median of 38.9. Among the 7 ZIP codes in Guadalupe County, 78123 ranks 2nd by median household income.

$97,553
US average: $82,259
$238,500
US average: $376,019
23.4%
US average: 35.6%
Age, sex & households
Under 18
21.3%
Age 65+
26.6%
52.0%
48.0%
2.41 people
Race & ethnicity · 2024
2024
White, non-Hispanic54%(1,149)
Black4%(85)
Hispanic / Latino31.5%(669)
Asian7.5%(159)
Other3.1%(65)
Diversity Score75.1%(1,598)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Guadalupe County
Income rank vs other ZIPs
LOWEST2ND OF 7HIGHEST
Adjacent ZIPs
78108$113,004
78124$74,192
78130$83,064
78155$71,039
Frequently asked

How many people live in ZIP code 78123?

ZIP code 78123 has about 2,127 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 78123?

The typical household in ZIP code 78123 earns about $97,553 a year. Half of households make more than that, and half make less.

Is ZIP code 78123 expensive?

In ZIP code 78123, the median home is worth about $238,500.

How educated are people in ZIP code 78123?

About 23.4% of adults age 25 and over in ZIP code 78123 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 78123?

About 10.3% of people in ZIP code 78123 live below the federal poverty line.

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Containing area
Guadalupe County
Other ZIP codes in Guadalupe County
ZIP 78130ZIP 78155ZIP 78108ZIP 78124ZIP 78638ZIP 78670

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