ZIP 90021 vs ZIP 90031
A side-by-side comparison of ZIP Code 90021 and ZIP Code 90031: population, income, housing, and more.
ZIP 90021 and ZIP 90031 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 90031 has the higher population (36,881 vs 3,152 in ZIP 90021). ZIP 90031 has the higher median household income ($62,119 vs $32,250 in ZIP 90021). ZIP 90021 has the higher median home value ($1,075,800 vs $758,500 in ZIP 90031).
Population, income & housing
| ZIP 90021 | ZIP 90031 | |
|---|---|---|
| Population | 3,152 | 36,881 |
| Median age | 39.8 yrs | 38.6 yrs |
| Median household income | $32,250 | $62,119 |
| Median home value | $1,075,800 | $758,500 |
| Median gross rent | $984 | $1,487 |
| Housing units | 1,694 | 12,686 |
| Homeownership rate | 6.9% | 31.4% |
| Bachelor's degree or higher | 20.2% | 24.2% |
| Unemployment rate | 14.8% | 8.5% |
Trends (ACS 5-year, 2019–2023)
| ZIP 90021 | ZIP 90031 | |
|---|---|---|
| Population | 2,945 → 3,152 (+7.0%) | 39,916 → 36,881 (-7.6%) |
| Median household income | $21,635 → $32,250 (+49.1%) | $48,479 → $62,119 (+28.1%) |
| Median home value | $888,900 → $1,075,800 (+21.0%) | $550,000 → $758,500 (+37.9%) |
| Median gross rent | $647 → $984 (+52.1%) | $1,161 → $1,487 (+28.1%) |
ZIP 90021
2,9453,152
$21,635$32,250
$888,900$1,075,800
$647$984
ZIP 90031
39,91636,881
$48,479$62,119
$550,000$758,500
$1,161$1,487
Age & race/ethnicity
Age distribution (share)
| ZIP 90021 | ZIP 90031 | |
|---|---|---|
| Under 5 | 3.9% | 5.3% |
| 5 to 17 | 13.1% | 14.2% |
| 18 to 24 | 6.5% | 8.7% |
| 25 to 34 | 18.1% | 16.5% |
| 35 to 44 | 18.7% | 14.2% |
| 45 to 54 | 15.8% | 13.6% |
| 55 to 64 | 12.6% | 11.9% |
| 65 to 74 | 6.4% | 8.5% |
| 75 and over | 4.8% | 7.3% |
Race & ethnicity (share)
| ZIP 90021 | ZIP 90031 | |
|---|---|---|
| White (non-Hispanic) | 20.8% | 9.0% |
| Black or African American | 21.1% | 1.7% |
| American Indian & Alaska Native | 0.6% | 0.2% |
| Asian | 4.9% | 29.4% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.3% |
| Some other race | 1.0% | 0.2% |
| Two or more races | 3.2% | 1.7% |
| Hispanic or Latino | 48.3% | 57.5% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 90021 | ZIP 90031 | |
|---|---|---|
| No high school diploma | 36.0% | 34.2% |
| High school graduate | 17.8% | 22.3% |
| Some college or associate's | 26.0% | 19.3% |
| Bachelor's degree | 15.8% | 16.8% |
| Graduate or professional degree | 4.4% | 7.5% |
Commute to work
How workers get to work (share)
| ZIP 90021 | ZIP 90031 | |
|---|---|---|
| Drove alone | 34.2% | 61.8% |
| Carpooled | 7.8% | 10.7% |
| Public transit | 18.9% | 10.3% |
| Walked | 4.0% | 3.1% |
| Bicycle | 4.4% | 1.0% |
| Worked from home | 26.0% | 12.1% |
| Other means | 4.7% | 1.0% |
Housing
Units in structure (share)
| ZIP 90021 | ZIP 90031 | |
|---|---|---|
| 1-unit, detached | 5.0% | 42.2% |
| 1-unit, attached | 1.2% | 9.5% |
| 2 to 4 units | 4.2% | 16.7% |
| 5 to 19 units | 9.1% | 16.9% |
| 20 or more units | 80.6% | 14.6% |
| Mobile home & other | 0.0% | 0.1% |
Poverty & households
| ZIP 90021 | ZIP 90031 | |
|---|---|---|
| Poverty rate | 43.4% | 19.7% |
| Average household size | 1.84 | 2.99 |
| Mean commute (minutes) | 34 | 31 |
| Median year structure built | 1938 | 1947 |