91977 can be classified socioeconomically as 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 91977 is White. The majority race/ethnicity attending public schools in 91977 is Hispanic. The current unemployment level in 91977 is 5.2%.
| Population | 65,497 |
| Population Growth Rate | 0.00% |
| Population Density | 6,143 People per Square Mile |
| Total Households | 18,822 |
| Percentage High Income Households | 2.9% |
| Median Household Income (2021) | $76,902 |
| Average Adjusted Gross Income (2021) | $313,750 |
| Current Unemployment Rate (May 2026) | 5.2% |
| Sales Tax Rate (2025) | 8.5% |
| Majority Race/Ethnicty | White - 41.83% |
| Public School Majority Race/Ethnicty | Hispanic - 64.53% |
91977 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 32,414 | 41.7% |
| Black | 8,869 | 11.41% |
| Hispanic | 30,161 | 38.8% |
| Asian | 5,336 | 6.86% |
| Native American | 701 | 0.9% |
| Hawaiian/Pac. Islander | 257 | 0.33% |
91977 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 1,051 | 13.72% |
| Black | 885 | 11.55% |
| Hispanic | 5,248 | 68.48% |
| Asian | 396 | 5.17% |
| Native American | 20 | 0.26% |
| Hawaiian/Pac. Islander | 63 | 0.82% |
91977 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 3,261 | 10.18% |
| Bachelor Degree | 5,094 | 15.89% |
| High School Diploma | 7,746 | 24.17% |
| No High School Diploma | 1,022 | 3.19% |
| GED or Alternate | 1,223 | 3.82% |
| 1 or More Years of College | 8,083 | 25.22% |
| Associates Degree | 3,397 | 10.6% |
| Masters Degree | 1,611 | 5.03% |
| Professional Degree | 397 | 1.24% |
| Doctorate Degree | 214 | 0.67% |