ZIP 91321 vs ZIP 91330
A side-by-side comparison of ZIP Code 91321 and ZIP Code 91330: population, income, housing, and more.
ZIP 91321 and ZIP 91330 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 91321 has the higher population (32,668 vs 2,591 in ZIP 91330). Since 2019, ZIP 91321's population has grown faster (-4.0% vs -20.4%).
Population, income & housing
| ZIP 91321 | ZIP 91330 | |
|---|---|---|
| Population | 32,668 | 2,591 |
| Median age | 34.7 yrs | 20.1 yrs |
| Median household income | $93,281 | — |
| Median home value | $654,300 | — |
| Median gross rent | $2,135 | — |
| Housing units | 11,257 | 17 |
| Homeownership rate | 61.4% | 0.0% |
| Bachelor's degree or higher | 31.3% | 75.2% |
| Unemployment rate | 4.8% | 14.0% |
Trends (ACS 5-year, 2019–2023)
| ZIP 91321 | ZIP 91330 | |
|---|---|---|
| Population | 34,014 → 32,668 (-4.0%) | 3,257 → 2,591 (-20.4%) |
| Median household income | $73,187 → $93,281 (+27.5%) | — |
| Median home value | $483,700 → $654,300 (+35.3%) | — |
| Median gross rent | $1,642 → $2,135 (+30.0%) | — |
ZIP 91321
34,01432,668
$73,187$93,281
$483,700$654,300
$1,642$2,135
ZIP 91330
3,2572,591
Age & race/ethnicity
Age distribution (share)
| ZIP 91321 | ZIP 91330 | |
|---|---|---|
| Under 5 | 7.6% | 0.0% |
| 5 to 17 | 17.2% | 0.8% |
| 18 to 24 | 10.3% | 90.8% |
| 25 to 34 | 15.3% | 7.4% |
| 35 to 44 | 12.4% | 1.0% |
| 45 to 54 | 12.2% | 0.0% |
| 55 to 64 | 9.9% | 0.0% |
| 65 to 74 | 8.3% | 0.0% |
| 75 and over | 6.8% | 0.0% |
Race & ethnicity (share)
| ZIP 91321 | ZIP 91330 | |
|---|---|---|
| White (non-Hispanic) | 33.2% | 35.9% |
| Black or African American | 2.3% | 9.5% |
| American Indian & Alaska Native | 0.1% | 0.0% |
| Asian | 7.3% | 22.4% |
| Native Hawaiian & Pacific Islander | 0.2% | 0.0% |
| Some other race | 0.1% | 0.6% |
| Two or more races | 3.0% | 3.3% |
| Hispanic or Latino | 53.7% | 28.3% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 91321 | ZIP 91330 | |
|---|---|---|
| No high school diploma | 15.8% | 2.8% |
| High school graduate | 22.0% | 0.0% |
| Some college or associate's | 31.0% | 22.0% |
| Bachelor's degree | 21.5% | 54.6% |
| Graduate or professional degree | 9.8% | 20.6% |
Commute to work
How workers get to work (share)
| ZIP 91321 | ZIP 91330 | |
|---|---|---|
| Drove alone | 70.3% | 30.3% |
| Carpooled | 8.6% | 1.6% |
| Public transit | 3.7% | 0.6% |
| Walked | 1.6% | 45.8% |
| Bicycle | 0.3% | 3.0% |
| Worked from home | 12.9% | 14.5% |
| Other means | 2.5% | 4.1% |
Housing
Units in structure (share)
| ZIP 91321 | ZIP 91330 | |
|---|---|---|
| 1-unit, detached | 44.3% | 0.0% |
| 1-unit, attached | 14.5% | 0.0% |
| 2 to 4 units | 9.1% | 0.0% |
| 5 to 19 units | 13.1% | 0.0% |
| 20 or more units | 13.6% | 100.0% |
| Mobile home & other | 5.4% | 0.0% |
Poverty & households
| ZIP 91321 | ZIP 91330 | |
|---|---|---|
| Poverty rate | 9.6% | 100.0% |
| Average household size | 2.99 | 2.25 |
| Mean commute (minutes) | 30 | 17 |
| Median year structure built | 1978 | — |