CensusEasy
ZIP CODE TABULATION AREA

78640

Texas · 77,531 residents · 89.573 sq mi
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ZIP 78640 has roughly average household income, with a median household income of $90,075. Population has held roughly steady since 2024. Median home value is $330,400. At a median age of 33.4, residents skew younger than the country as a whole. Among the 7 ZIP codes in Hays County, 78640 ranks 5th by median household income.

$90,075
US average: $82,259
$330,400
US average: $376,019
29.3%
US average: 35.6%
Age, sex & households
Under 18
26.3%
Age 65+
7.5%
51.1%
48.9%
2.81 people
Race & ethnicity · 2024
2024
White, non-Hispanic33.9%(26,267)
Black4.7%(3,675)
Hispanic / Latino56.7%(43,989)
Asian1.1%(820)
Other3.6%(2,780)
Diversity Score70%(54,239)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Hays County
Income rank vs other ZIPs
LOWEST5TH OF 7HIGHEST
Adjacent ZIPs
78610$119,698
78619$183,393
78620$153,477
78666$54,737
Frequently asked

How many people live in ZIP code 78640?

ZIP code 78640 has about 77,531 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 78640?

The typical household in ZIP code 78640 earns about $90,075 a year. Half of households make more than that, and half make less.

Is ZIP code 78640 expensive?

In ZIP code 78640, the median home is worth about $330,400, and the typical rent is about $1,730 a month.

How educated are people in ZIP code 78640?

About 29.3% of adults age 25 and over in ZIP code 78640 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 78640?

About 10.2% of people in ZIP code 78640 live below the federal poverty line.

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Containing area
Hays County
Other ZIP codes in Hays County
ZIP 78666ZIP 78610ZIP 78737ZIP 78620ZIP 78676ZIP 78619

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