90621 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 90621 is Hispanic. The majority race/ethnicity attending public schools in 90621 is Hispanic. The current unemployment level in 90621 is 5.2%.
| Population | 36,151 |
| Population Growth Rate | 0.00% |
| Population Density | 8,461 People per Square Mile |
| Total Households | 10,189 |
| Percentage High Income Households | 3.7% |
| Median Household Income (2021) | $76,101 |
| Average Adjusted Gross Income (2021) | $498,450 |
| Current Unemployment Rate (May 2026) | 5.2% |
| Sales Tax Rate (2025) | 9.8% |
| Majority Race/Ethnicty | Hispanic - 36.12% |
| Public School Majority Race/Ethnicty | Hispanic - 71.31% |
90621 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 12,955 | 29.43% |
| Black | 1,471 | 3.34% |
| Hispanic | 15,873 | 36.06% |
| Asian | 13,111 | 29.78% |
| Native American | 530 | 1.2% |
| Hawaiian/Pac. Islander | 83 | 0.19% |
90621 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 223 | 4.82% |
| Black | 137 | 2.96% |
| Hispanic | 3,397 | 73.42% |
| Asian | 831 | 17.96% |
| Native American | 12 | 0.26% |
| Hawaiian/Pac. Islander | 27 | 0.58% |
90621 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 898 | 5.22% |
| Bachelor Degree | 5,097 | 29.64% |
| High School Diploma | 3,991 | 23.21% |
| No High School Diploma | 700 | 4.07% |
| GED or Alternate | 350 | 2.04% |
| 1 or More Years of College | 3,311 | 19.26% |
| Associates Degree | 1,221 | 7.1% |
| Masters Degree | 1,175 | 6.83% |
| Professional Degree | 278 | 1.62% |
| Doctorate Degree | 173 | 1.01% |