ZIP 77021 vs ZIP 77031
A side-by-side comparison of ZIP Code 77021 and ZIP Code 77031: population, income, housing, and more.
ZIP 77021 and ZIP 77031 are ZIP Code areas in Texas. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 77021 has the higher population (24,884 vs 15,740 in ZIP 77031). ZIP 77031 has the higher median household income ($46,892 vs $45,034 in ZIP 77021). ZIP 77031 has the higher median home value ($227,100 vs $203,900 in ZIP 77021).
Population, income & housing
| ZIP 77021 | ZIP 77031 | |
|---|---|---|
| Population | 24,884 | 15,740 |
| Median age | 36.8 yrs | 38.5 yrs |
| Median household income | $45,034 | $46,892 |
| Median home value | $203,900 | $227,100 |
| Median gross rent | $1,193 | $1,083 |
| Housing units | 12,819 | 6,906 |
| Homeownership rate | 39.8% | 44.4% |
| Bachelor's degree or higher | 33.9% | 22.8% |
| Unemployment rate | 9.3% | 7.6% |
Trends (ACS 5-year, 2019–2023)
| ZIP 77021 | ZIP 77031 | |
|---|---|---|
| Population | 26,214 → 24,884 (-5.1%) | 18,058 → 15,740 (-12.8%) |
| Median household income | $37,913 → $45,034 (+18.8%) | $48,029 → $46,892 (-2.4%) |
| Median home value | $107,900 → $203,900 (+89.0%) | $153,700 → $227,100 (+47.8%) |
| Median gross rent | $949 → $1,193 (+25.7%) | $914 → $1,083 (+18.5%) |
ZIP 77021
26,21424,884
$37,913$45,034
$107,900$203,900
$949$1,193
ZIP 77031
18,05815,740
$48,029$46,892
$153,700$227,100
$914$1,083
Age & race/ethnicity
Age distribution (share)
| ZIP 77021 | ZIP 77031 | |
|---|---|---|
| Under 5 | 6.5% | 6.2% |
| 5 to 17 | 15.9% | 15.1% |
| 18 to 24 | 8.7% | 12.2% |
| 25 to 34 | 16.6% | 12.8% |
| 35 to 44 | 12.2% | 14.7% |
| 45 to 54 | 12.7% | 14.7% |
| 55 to 64 | 10.9% | 10.0% |
| 65 to 74 | 9.0% | 8.7% |
| 75 and over | 7.5% | 5.7% |
Race & ethnicity (share)
| ZIP 77021 | ZIP 77031 | |
|---|---|---|
| White (non-Hispanic) | 10.4% | 13.9% |
| Black or African American | 62.4% | 20.2% |
| American Indian & Alaska Native | 0.1% | 0.0% |
| Asian | 1.8% | 6.7% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.1% | 0.6% |
| Two or more races | 3.0% | 1.7% |
| Hispanic or Latino | 22.1% | 56.8% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 77021 | ZIP 77031 | |
|---|---|---|
| No high school diploma | 13.3% | 32.5% |
| High school graduate | 28.0% | 20.2% |
| Some college or associate's | 24.8% | 24.5% |
| Bachelor's degree | 15.8% | 11.2% |
| Graduate or professional degree | 18.1% | 11.6% |
Commute to work
How workers get to work (share)
| ZIP 77021 | ZIP 77031 | |
|---|---|---|
| Drove alone | 67.2% | 65.8% |
| Carpooled | 7.0% | 12.6% |
| Public transit | 6.8% | 5.8% |
| Walked | 1.1% | 1.6% |
| Bicycle | 0.4% | 0.0% |
| Worked from home | 15.7% | 9.6% |
| Other means | 1.8% | 4.6% |
Housing
Units in structure (share)
| ZIP 77021 | ZIP 77031 | |
|---|---|---|
| 1-unit, detached | 53.5% | 44.3% |
| 1-unit, attached | 2.9% | 6.0% |
| 2 to 4 units | 6.5% | 3.6% |
| 5 to 19 units | 17.4% | 22.3% |
| 20 or more units | 18.9% | 23.0% |
| Mobile home & other | 0.8% | 0.8% |
Poverty & households
| ZIP 77021 | ZIP 77031 | |
|---|---|---|
| Poverty rate | 28.7% | 23.6% |
| Average household size | 2.22 | 2.58 |
| Mean commute (minutes) | 30 | 28 |
| Median year structure built | 1965 | 1977 |