91731 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in California based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 91731 is Hispanic. The majority race/ethnicity attending public schools in 91731 is Hispanic. The current unemployment level in 91731 is 5.2%.
| Population | 28,201 |
| Population Growth Rate | 0.00% |
| Population Density | 7,418 People per Square Mile |
| Total Households | 7,969 |
| Percentage High Income Households | 1.0% |
| Median Household Income (2021) | $52,758 |
| Average Adjusted Gross Income (2021) | $450,210 |
| Current Unemployment Rate (May 2026) | 5.2% |
| Sales Tax Rate (2025) | 10.5% |
| Majority Race/Ethnicty | Hispanic - 52.00% |
| Public School Majority Race/Ethnicty | Hispanic - 83.57% |
91731 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 8,035 | 22.45% |
| Black | 65 | 0.18% |
| Hispanic | 18,402 | 51.41% |
| Asian | 8,000 | 22.35% |
| Native American | 886 | 2.48% |
| Hawaiian/Pac. Islander | 409 | 1.14% |
91731 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 25 | 0.59% |
| Black | 22 | 0.52% |
| Hispanic | 3,570 | 83.8% |
| Asian | 637 | 14.95% |
| Native American | 2 | 0.05% |
| Hawaiian/Pac. Islander | 4 | 0.09% |
91731 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 385 | 3.33% |
| Bachelor Degree | 1,782 | 15.43% |
| High School Diploma | 4,543 | 39.34% |
| No High School Diploma | 873 | 7.56% |
| GED or Alternate | 349 | 3.02% |
| 1 or More Years of College | 2,205 | 19.09% |
| Associates Degree | 936 | 8.1% |
| Masters Degree | 363 | 3.14% |
| Professional Degree | 95 | 0.82% |
| Doctorate Degree | 18 | 0.16% |