91304 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 91304 is White. The majority race/ethnicity attending public schools in 91304 is Hispanic. The current unemployment level in 91304 is 6.1%.
| Population | 54,369 |
| Population Growth Rate | 0.00% |
| Population Density | 5,100 People per Square Mile |
| Total Households | 16,794 |
| Percentage High Income Households | 5.9% |
| Median Household Income (2021) | $74,987 |
| Average Adjusted Gross Income (2021) | $416,470 |
| Current Unemployment Rate (September 2025) | 6.1% |
| Sales Tax Rate (2025) | 9.8% |
| Majority Race/Ethnicty | White - 40.94% |
| Public School Majority Race/Ethnicty | Hispanic - 61.53% |
91304 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 24,157 | 40.9% |
| Black | 3,192 | 5.4% |
| Hispanic | 21,994 | 37.24% |
| Asian | 9,263 | 15.68% |
| Native American | 404 | 0.68% |
| Hawaiian/Pac. Islander | 48 | 0.08% |
91304 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 602 | 21.93% |
| Black | 116 | 4.23% |
| Hispanic | 1,764 | 64.26% |
| Asian | 261 | 9.51% |
| Native American | 1 | 0.04% |
| Hawaiian/Pac. Islander | 1 | 0.04% |
91304 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,741 | 6.01% |
| Bachelor Degree | 6,592 | 22.77% |
| High School Diploma | 7,368 | 25.45% |
| No High School Diploma | 1,033 | 3.57% |
| GED or Alternate | 498 | 1.72% |
| 1 or More Years of College | 5,565 | 19.22% |
| Associates Degree | 2,738 | 9.46% |
| Masters Degree | 2,312 | 7.99% |
| Professional Degree | 766 | 2.65% |
| Doctorate Degree | 340 | 1.17% |