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ZIP CODE TABULATION AREA

78140

Texas · 3,474 residents · 175 sq mi
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With 3,474 people, ZIP 78140 is a ZIP code in Gonzales County. Four-year degrees are less common here than nationally, at 6% of adults. The typical home is worth $85,200. There are 20 people per square mile. Median household income is $50,250, under the $82,259 national median. Owners hold 73% of the housing stock. Among the 5 ZIP codes in Gonzales County, 78140 ranks 4th by median household income.

$50,250
US average: $82,259
$27,798
US average: $44,673
$85,200
US average: $376,019
6.2%
US average: 35.6%
Land area
175 sq mi
Age, sex & households
Under 18
31.1%
Age 65+
17.4%
48.7%
51.3%
2.71 people
Race & ethnicity · 2024
2024
White, non-Hispanic32.7%(1,136)
Black1.9%(67)
Hispanic / Latino62.6%(2,174)
Asian0%(0)
Other2.8%(97)
63
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
1.7
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Gonzales County
Income rank vs other ZIPs
LOWEST4TH OF 5HIGHEST
Adjacent ZIPs
78159$35,083
78629$59,521
Frequently asked

How many people live in ZIP code 78140?

ZIP code 78140 has about 3,474 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 78140?

The typical household in ZIP code 78140 earns about $50,250 a year. Half of households make more than that, and half make less.

Is ZIP code 78140 expensive?

In ZIP code 78140, the median home is worth about $85,200, and the typical rent is about $845 a month.

How educated are people in ZIP code 78140?

About 6.2% of adults age 25 and over in ZIP code 78140 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 78140?

About 12.0% of people in ZIP code 78140 live below the federal poverty line.

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