ZIP 91731 vs ZIP 91740
A side-by-side comparison of ZIP Code 91731 and ZIP Code 91740: population, income, housing, and more.
ZIP 91731 and ZIP 91740 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 91731 has the higher population (28,122 vs 26,160 in ZIP 91740). ZIP 91740 has the higher median household income ($98,819 vs $60,887 in ZIP 91731). ZIP 91740 has the higher median home value ($702,000 vs $614,000 in ZIP 91731).
Population, income & housing
| ZIP 91731 | ZIP 91740 | |
|---|---|---|
| Population | 28,122 | 26,160 |
| Median age | 35.8 yrs | 38.7 yrs |
| Median household income | $60,887 | $98,819 |
| Median home value | $614,000 | $702,000 |
| Median gross rent | $1,583 | $2,226 |
| Housing units | 8,809 | 8,314 |
| Homeownership rate | 35.7% | 64.4% |
| Bachelor's degree or higher | 15.2% | 31.0% |
| Unemployment rate | 6.8% | 5.1% |
Trends (ACS 5-year, 2019–2023)
| ZIP 91731 | ZIP 91740 | |
|---|---|---|
| Population | 30,222 → 28,122 (-6.9%) | 25,877 → 26,160 (+1.1%) |
| Median household income | $42,293 → $60,887 (+44.0%) | $85,590 → $98,819 (+15.5%) |
| Median home value | $450,300 → $614,000 (+36.4%) | $501,100 → $702,000 (+40.1%) |
| Median gross rent | $1,201 → $1,583 (+31.8%) | $1,655 → $2,226 (+34.5%) |
ZIP 91731
30,22228,122
$42,293$60,887
$450,300$614,000
$1,201$1,583
ZIP 91740
25,87726,160
$85,590$98,819
$501,100$702,000
$1,655$2,226
Age & race/ethnicity
Age distribution (share)
| ZIP 91731 | ZIP 91740 | |
|---|---|---|
| Under 5 | 6.3% | 5.9% |
| 5 to 17 | 17.8% | 16.8% |
| 18 to 24 | 9.1% | 8.0% |
| 25 to 34 | 15.0% | 14.4% |
| 35 to 44 | 12.8% | 12.7% |
| 45 to 54 | 12.0% | 13.6% |
| 55 to 64 | 10.4% | 12.1% |
| 65 to 74 | 9.0% | 9.4% |
| 75 and over | 7.5% | 7.0% |
Race & ethnicity (share)
| ZIP 91731 | ZIP 91740 | |
|---|---|---|
| White (non-Hispanic) | 4.5% | 33.4% |
| Black or African American | 0.3% | 2.8% |
| American Indian & Alaska Native | 0.7% | 0.1% |
| Asian | 28.3% | 10.5% |
| Native Hawaiian & Pacific Islander | 0.6% | 0.0% |
| Some other race | 0.2% | 0.5% |
| Two or more races | 0.3% | 4.1% |
| Hispanic or Latino | 65.0% | 48.6% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 91731 | ZIP 91740 | |
|---|---|---|
| No high school diploma | 32.5% | 8.4% |
| High school graduate | 30.8% | 24.7% |
| Some college or associate's | 21.5% | 35.9% |
| Bachelor's degree | 12.1% | 22.2% |
| Graduate or professional degree | 3.1% | 8.9% |
Commute to work
How workers get to work (share)
| ZIP 91731 | ZIP 91740 | |
|---|---|---|
| Drove alone | 68.7% | 73.8% |
| Carpooled | 13.4% | 6.7% |
| Public transit | 4.3% | 2.8% |
| Walked | 3.6% | 1.2% |
| Bicycle | 1.5% | 0.3% |
| Worked from home | 7.7% | 14.6% |
| Other means | 0.8% | 0.6% |
Housing
Units in structure (share)
| ZIP 91731 | ZIP 91740 | |
|---|---|---|
| 1-unit, detached | 44.8% | 65.5% |
| 1-unit, attached | 7.2% | 9.3% |
| 2 to 4 units | 7.1% | 4.3% |
| 5 to 19 units | 10.5% | 7.0% |
| 20 or more units | 25.0% | 8.8% |
| Mobile home & other | 5.4% | 5.1% |
Poverty & households
| ZIP 91731 | ZIP 91740 | |
|---|---|---|
| Poverty rate | 18.4% | 10.5% |
| Average household size | 3.31 | 3.09 |
| Mean commute (minutes) | 30 | 32 |
| Median year structure built | 1964 | 1965 |