ZIP 91331 vs ZIP 91340
A side-by-side comparison of ZIP Code 91331 and ZIP Code 91340: population, income, housing, and more.
ZIP 91331 and ZIP 91340 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 91331 has the higher population (98,820 vs 33,750 in ZIP 91340). ZIP 91331 has the higher median household income ($82,025 vs $79,124 in ZIP 91340). ZIP 91340 has the higher median home value ($624,900 vs $609,300 in ZIP 91331).
Population, income & housing
| ZIP 91331 | ZIP 91340 | |
|---|---|---|
| Population | 98,820 | 33,750 |
| Median age | 34.7 yrs | 36.4 yrs |
| Median household income | $82,025 | $79,124 |
| Median home value | $609,300 | $624,900 |
| Median gross rent | $1,818 | $1,740 |
| Housing units | 23,926 | 9,011 |
| Homeownership rate | 62.8% | 64.7% |
| Bachelor's degree or higher | 11.2% | 14.1% |
| Unemployment rate | 6.8% | 7.2% |
Trends (ACS 5-year, 2019–2023)
| ZIP 91331 | ZIP 91340 | |
|---|---|---|
| Population | 105,458 → 98,820 (-6.3%) | 36,156 → 33,750 (-6.7%) |
| Median household income | $63,807 → $82,025 (+28.6%) | $57,398 → $79,124 (+37.9%) |
| Median home value | $425,300 → $609,300 (+43.3%) | $431,100 → $624,900 (+45.0%) |
| Median gross rent | $1,436 → $1,818 (+26.6%) | $1,381 → $1,740 (+26.0%) |
ZIP 91331
105,45898,820
$63,807$82,025
$425,300$609,300
$1,436$1,818
ZIP 91340
36,15633,750
$57,398$79,124
$431,100$624,900
$1,381$1,740
Age & race/ethnicity
Age distribution (share)
| ZIP 91331 | ZIP 91340 | |
|---|---|---|
| Under 5 | 5.9% | 5.6% |
| 5 to 17 | 18.5% | 17.8% |
| 18 to 24 | 10.3% | 8.9% |
| 25 to 34 | 15.8% | 15.6% |
| 35 to 44 | 13.0% | 15.4% |
| 45 to 54 | 13.1% | 12.6% |
| 55 to 64 | 11.2% | 11.7% |
| 65 to 74 | 7.2% | 8.2% |
| 75 and over | 5.0% | 4.2% |
Race & ethnicity (share)
| ZIP 91331 | ZIP 91340 | |
|---|---|---|
| White (non-Hispanic) | 4.3% | 4.1% |
| Black or African American | 1.9% | 1.8% |
| American Indian & Alaska Native | 0.1% | 0.1% |
| Asian | 4.6% | 1.9% |
| Native Hawaiian & Pacific Islander | 0.1% | 0.0% |
| Some other race | 0.2% | 0.3% |
| Two or more races | 1.3% | 0.7% |
| Hispanic or Latino | 87.4% | 91.1% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 91331 | ZIP 91340 | |
|---|---|---|
| No high school diploma | 41.9% | 35.6% |
| High school graduate | 27.1% | 27.3% |
| Some college or associate's | 19.8% | 23.0% |
| Bachelor's degree | 8.7% | 9.5% |
| Graduate or professional degree | 2.5% | 4.6% |
Commute to work
How workers get to work (share)
| ZIP 91331 | ZIP 91340 | |
|---|---|---|
| Drove alone | 72.8% | 74.9% |
| Carpooled | 14.5% | 14.3% |
| Public transit | 2.9% | 2.5% |
| Walked | 1.1% | 1.2% |
| Bicycle | 0.1% | 0.1% |
| Worked from home | 6.5% | 5.4% |
| Other means | 2.1% | 1.6% |
Housing
Units in structure (share)
| ZIP 91331 | ZIP 91340 | |
|---|---|---|
| 1-unit, detached | 69.7% | 75.1% |
| 1-unit, attached | 8.3% | 7.9% |
| 2 to 4 units | 3.3% | 5.0% |
| 5 to 19 units | 5.8% | 7.3% |
| 20 or more units | 10.9% | 3.7% |
| Mobile home & other | 2.0% | 0.9% |
Poverty & households
| ZIP 91331 | ZIP 91340 | |
|---|---|---|
| Poverty rate | 16.9% | 12.6% |
| Average household size | 4.25 | 3.93 |
| Mean commute (minutes) | 30 | 30 |
| Median year structure built | 1958 | 1957 |