US Census Data

ZIP 78721 vs ZIP 78731

A side-by-side comparison of ZIP Code 78721 and ZIP Code 78731: population, income, housing, and more.

ZIP 78721 and ZIP 78731 are ZIP Code areas in Texas. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 78731 has the higher population (27,136 vs 10,728 in ZIP 78721). ZIP 78721 has the higher median household income ($103,285 vs $102,886 in ZIP 78731). ZIP 78731 has the higher median home value ($839,500 vs $503,400 in ZIP 78721).

Population, income & housing

ZIP 78721ZIP 78731
Population10,72827,136
Median age34.1 yrs41.7 yrs
Median household income$103,285$102,886
Median home value$503,400$839,500
Median gross rent$1,616$1,673
Housing units4,80814,939
Homeownership rate58.8%53.4%
Bachelor's degree or higher51.2%78.5%
Unemployment rate3.8%4.2%

Trends (ACS 5-year, 2019–2023)

ZIP 78721ZIP 78731
Population12,110 → 10,728 (-11.4%)27,298 → 27,136 (-0.6%)
Median household income$46,591 → $103,285 (+121.7%)$94,851 → $102,886 (+8.5%)
Median home value$284,400 → $503,400 (+77.0%)$636,800 → $839,500 (+31.8%)
Median gross rent$1,179 → $1,616 (+37.1%)$1,297 → $1,673 (+29.0%)

ZIP 78721

Population
12,11010,728
Median household income
$46,591$103,285
Median home value
$284,400$503,400
Median gross rent
$1,179$1,616

ZIP 78731

Population
27,29827,136
Median household income
$94,851$102,886
Median home value
$636,800$839,500
Median gross rent
$1,297$1,673

Age & race/ethnicity

Age distribution (share)

ZIP 78721ZIP 78731
Under 56.1%3.2%
5 to 1713.3%13.3%
18 to 245.1%6.8%
25 to 3429.2%17.2%
35 to 4419.3%14.3%
45 to 549.7%14.1%
55 to 6410.6%12.9%
65 to 743.0%8.9%
75 and over3.6%9.2%

Race & ethnicity (share)

ZIP 78721ZIP 78731
White (non-Hispanic)35.4%72.1%
Black or African American18.6%1.8%
American Indian & Alaska Native0.4%0.0%
Asian2.5%8.3%
Native Hawaiian & Pacific Islander0.0%0.2%
Some other race0.7%0.0%
Two or more races1.7%3.1%
Hispanic or Latino40.7%14.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 78721ZIP 78731
No high school diploma15.8%1.5%
High school graduate18.5%7.1%
Some college or associate's14.4%12.9%
Bachelor's degree34.0%39.6%
Graduate or professional degree17.2%38.9%

Commute to work

How workers get to work (share)

ZIP 78721ZIP 78731
Drove alone54.7%59.1%
Carpooled7.0%3.3%
Public transit2.6%2.0%
Walked1.5%0.2%
Bicycle2.9%1.5%
Worked from home29.2%33.0%
Other means2.1%0.9%

Housing

Units in structure (share)

ZIP 78721ZIP 78731
1-unit, detached66.5%46.9%
1-unit, attached4.2%7.7%
2 to 4 units10.1%5.8%
5 to 19 units2.4%19.7%
20 or more units15.1%19.4%
Mobile home & other1.7%0.4%

Poverty & households

ZIP 78721ZIP 78731
Poverty rate18.6%7.1%
Average household size2.371.91
Mean commute (minutes)2320
Median year structure built19961979

Full profiles

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