Census ACS · Texas
ZIP Code 78666
ZIP code 78666 is located in Texas with a population of 87,775. The median household income is $55,478 and the median home value is $271,900.
87,775
Population
$55,478
Median Income
$271,900
Median Home Value
27.0
Median Age
Race & Ethnicity
| White | 63.7% |
| Black | 5.2% |
| Asian | 0.0% |
| Hispanic (any race) | 2.9% |
Male: 48.2% · Female: 51.8%
Economy & Income
$55,478
Median Household Income
$28,813
Per Capita Income
9.4%
Poverty Rate
Housing
$271,900
Median Home Value
$1,294
Median Rent
38.4%
Homeownership
Education
89.3%
High School+
34.6%
Bachelor's Degree+
Nearby ZIP Codes
Largest cities in Texas
Part of Texas
Metro areas in Texas
Common questions about ZIP 78666
Frequently Asked Questions
ZIP code 78666 in Texas has a population of 87,775 according to latest Census ACS data.
The median household income in ZIP 78666 is $55,478. The per capita income is $28,813. The poverty rate is 9.4%.
ZIP code 78666 is located in Texas.
More from Texas
Data for ZIP Code Tabulation Area (ZCTA) 78666 from the American Community Survey 5-Year estimates. ZCTAs approximately correspond to USPS ZIP code delivery areas but are built from Census blocks and may not match exactly.
The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.