CensusEasy
ZIP CODE TABULATION AREA

78121

Texas · 16,120 residents · 102.618 sq mi
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ZIP 78121 is significantly wealthier than the US average, with a median household income of $120,048. Population has held roughly steady since 2024. Median home value is $402,600. Households here earn about 27% more than the Wilson County median. Among the 6 ZIP codes in Wilson County, 78121 ranks 1st by median household income.

$120,048
US average: $82,259
$402,600
US average: $376,019
32.1%
US average: 35.6%
Age, sex & households
Under 18
25.5%
Age 65+
11.7%
49.9%
50.1%
3.04 people
Race & ethnicity · 2024
2024
White, non-Hispanic64.8%(10,438)
Black2.1%(338)
Hispanic / Latino28.5%(4,593)
Asian0.2%(37)
Other4.4%(714)
Diversity Score62.1%(10,017)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Wilson County
Income rank vs other ZIPs
LOWEST1ST OF 6HIGHEST
Adjacent ZIPs
78113$78,505
78114$88,087
78147$72,404
Frequently asked

How many people live in ZIP code 78121?

ZIP code 78121 has about 16,120 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 78121?

The typical household in ZIP code 78121 earns about $120,048 a year. Half of households make more than that, and half make less.

Is ZIP code 78121 expensive?

In ZIP code 78121, the median home is worth about $402,600, and the typical rent is about $1,192 a month.

How educated are people in ZIP code 78121?

About 32.1% of adults age 25 and over in ZIP code 78121 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 78121?

About 8.0% of people in ZIP code 78121 live below the federal poverty line.

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Containing area
Wilson County
Other ZIP codes in Wilson County
ZIP 78114ZIP 78160ZIP 78113ZIP 78147ZIP 78161ZIP 78143

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