ZIP 78931 vs ZIP 78940
A side-by-side comparison of ZIP Code 78931 and ZIP Code 78940: population, income, housing, and more.
ZIP 78931 and ZIP 78940 are ZIP Code areas in Texas. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 78940 has the higher population (2,284 vs 204 in ZIP 78931). ZIP 78931 has the higher median household income ($138,382 vs $90,431 in ZIP 78940). Since 2019, ZIP 78940's population has grown faster (-9.4% vs -44.6%).
Population, income & housing
| ZIP 78931 | ZIP 78940 | |
|---|---|---|
| Population | 204 | 2,284 |
| Median age | 44.6 yrs | 56.1 yrs |
| Median household income | $138,382 | $90,431 |
| Median home value | — | $256,900 |
| Median gross rent | — | $910 |
| Housing units | 99 | 1,269 |
| Homeownership rate | 100.0% | 93.7% |
| Bachelor's degree or higher | 56.5% | 27.6% |
| Unemployment rate | 0.0% | 7.2% |
Trends (ACS 5-year, 2019–2023)
| ZIP 78931 | ZIP 78940 | |
|---|---|---|
| Population | 368 → 204 (-44.6%) | 2,521 → 2,284 (-9.4%) |
| Median household income | $101,528 → $138,382 (+36.3%) | $57,500 → $90,431 (+57.3%) |
| Median home value | $342,600 → $336,300 (-1.8%) | $176,800 → $256,900 (+45.3%) |
| Median gross rent | — | $781 → $910 (+16.5%) |
ZIP 78931
368204
$101,528$138,382
$342,600$336,300
ZIP 78940
2,5212,284
$57,500$90,431
$176,800$256,900
$781$910
Age & race/ethnicity
Age distribution (share)
| ZIP 78931 | ZIP 78940 | |
|---|---|---|
| Under 5 | 0.0% | 2.5% |
| 5 to 17 | 27.9% | 13.0% |
| 18 to 24 | 0.0% | 2.5% |
| 25 to 34 | 10.3% | 7.7% |
| 35 to 44 | 13.7% | 10.0% |
| 45 to 54 | 17.2% | 13.9% |
| 55 to 64 | 4.4% | 15.1% |
| 65 to 74 | 8.3% | 20.4% |
| 75 and over | 18.1% | 14.8% |
Race & ethnicity (share)
| ZIP 78931 | ZIP 78940 | |
|---|---|---|
| White (non-Hispanic) | 95.1% | 90.5% |
| Black or African American | 0.0% | 4.3% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| Asian | 0.0% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 4.9% | 0.4% |
| Hispanic or Latino | 0.0% | 4.9% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 78931 | ZIP 78940 | |
|---|---|---|
| No high school diploma | 0.0% | 4.1% |
| High school graduate | 25.9% | 39.9% |
| Some college or associate's | 17.7% | 28.4% |
| Bachelor's degree | 49.7% | 23.5% |
| Graduate or professional degree | 6.8% | 4.1% |
Commute to work
How workers get to work (share)
| ZIP 78931 | ZIP 78940 | |
|---|---|---|
| Drove alone | 72.9% | 80.5% |
| Carpooled | 0.0% | 6.7% |
| Public transit | 0.0% | 0.0% |
| Walked | 14.1% | 1.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 12.9% | 11.5% |
| Other means | 0.0% | 0.3% |
Housing
Units in structure (share)
| ZIP 78931 | ZIP 78940 | |
|---|---|---|
| 1-unit, detached | 68.7% | 79.6% |
| 1-unit, attached | 0.0% | 0.0% |
| 2 to 4 units | 0.0% | 0.0% |
| 5 to 19 units | 0.0% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 31.3% | 20.4% |
Poverty & households
| ZIP 78931 | ZIP 78940 | |
|---|---|---|
| Poverty rate | 0.0% | 7.7% |
| Average household size | 3.00 | 2.45 |
| Mean commute (minutes) | 18 | 25 |
| Median year structure built | 1991 | 1990 |