91931 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in California. The majority race/ethnicity residing in 91931 is White. The current unemployment level in 91931 is 5.2%.
| Population | 749 |
| Population Growth Rate | 0% |
| Population Density | 3,614 People per Square Mile |
| Total Households | 156 |
| Median Household Income (2021) | $65,316 |
| Current Unemployment Rate (May 2026) | 5.2% |
| Sales Tax Rate (2025) | 7.8% |
| Majority Race/Ethnicity | White - 100% |
91931 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|
| White | 752 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
91931 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|
| Less Than 1 Year of College | 4 | 1.94% |
| Bachelor Degree | 9 | 4.37% |
| High School Diploma | 127 | 61.65% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 16 | 7.77% |
| Associates Degree | 28 | 13.59% |
| Masters Degree | 22 | 10.68% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
