ZIP 91311 vs ZIP 91321
A side-by-side comparison of ZIP Code 91311 and ZIP Code 91321: population, income, housing, and more.
ZIP 91311 and ZIP 91321 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 91311 has the higher population (40,557 vs 32,668 in ZIP 91321). ZIP 91311 has the higher median household income ($117,574 vs $93,281 in ZIP 91321). ZIP 91311 has the higher median home value ($837,300 vs $654,300 in ZIP 91321).
Population, income & housing
| ZIP 91311 | ZIP 91321 | |
|---|---|---|
| Population | 40,557 | 32,668 |
| Median age | 42.3 yrs | 34.7 yrs |
| Median household income | $117,574 | $93,281 |
| Median home value | $837,300 | $654,300 |
| Median gross rent | $2,199 | $2,135 |
| Housing units | 14,879 | 11,257 |
| Homeownership rate | 66.8% | 61.4% |
| Bachelor's degree or higher | 44.9% | 31.3% |
| Unemployment rate | 4.9% | 4.8% |
Trends (ACS 5-year, 2019–2023)
| ZIP 91311 | ZIP 91321 | |
|---|---|---|
| Population | 40,839 → 40,557 (-0.7%) | 34,014 → 32,668 (-4.0%) |
| Median household income | $91,897 → $117,574 (+27.9%) | $73,187 → $93,281 (+27.5%) |
| Median home value | $616,400 → $837,300 (+35.8%) | $483,700 → $654,300 (+35.3%) |
| Median gross rent | $1,868 → $2,199 (+17.7%) | $1,642 → $2,135 (+30.0%) |
ZIP 91311
40,83940,557
$91,897$117,574
$616,400$837,300
$1,868$2,199
ZIP 91321
34,01432,668
$73,187$93,281
$483,700$654,300
$1,642$2,135
Age & race/ethnicity
Age distribution (share)
| ZIP 91311 | ZIP 91321 | |
|---|---|---|
| Under 5 | 5.5% | 7.6% |
| 5 to 17 | 14.6% | 17.2% |
| 18 to 24 | 6.4% | 10.3% |
| 25 to 34 | 12.0% | 15.3% |
| 35 to 44 | 14.6% | 12.4% |
| 45 to 54 | 13.0% | 12.2% |
| 55 to 64 | 14.5% | 9.9% |
| 65 to 74 | 10.7% | 8.3% |
| 75 and over | 8.7% | 6.8% |
Race & ethnicity (share)
| ZIP 91311 | ZIP 91321 | |
|---|---|---|
| White (non-Hispanic) | 40.9% | 33.2% |
| Black or African American | 6.6% | 2.3% |
| American Indian & Alaska Native | 0.0% | 0.1% |
| Asian | 18.5% | 7.3% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.2% |
| Some other race | 0.6% | 0.1% |
| Two or more races | 4.5% | 3.0% |
| Hispanic or Latino | 28.8% | 53.7% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 91311 | ZIP 91321 | |
|---|---|---|
| No high school diploma | 8.9% | 15.8% |
| High school graduate | 17.1% | 22.0% |
| Some college or associate's | 29.0% | 31.0% |
| Bachelor's degree | 28.6% | 21.5% |
| Graduate or professional degree | 16.3% | 9.8% |
Commute to work
How workers get to work (share)
| ZIP 91311 | ZIP 91321 | |
|---|---|---|
| Drove alone | 69.7% | 70.3% |
| Carpooled | 8.3% | 8.6% |
| Public transit | 0.7% | 3.7% |
| Walked | 1.9% | 1.6% |
| Bicycle | 0.2% | 0.3% |
| Worked from home | 17.0% | 12.9% |
| Other means | 2.3% | 2.5% |
Housing
Units in structure (share)
| ZIP 91311 | ZIP 91321 | |
|---|---|---|
| 1-unit, detached | 58.4% | 44.3% |
| 1-unit, attached | 10.9% | 14.5% |
| 2 to 4 units | 2.0% | 9.1% |
| 5 to 19 units | 4.2% | 13.1% |
| 20 or more units | 20.8% | 13.6% |
| Mobile home & other | 3.7% | 5.4% |
Poverty & households
| ZIP 91311 | ZIP 91321 | |
|---|---|---|
| Poverty rate | 7.6% | 9.6% |
| Average household size | 2.76 | 2.99 |
| Mean commute (minutes) | 29 | 30 |
| Median year structure built | 1974 | 1978 |