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Whittier city, CA
ZIP 90603 — People & Community
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Upper Middle ClassLow Snow Area
Demographics, education attainment, health access, and community lifestyle
Population & Demographics in 90603
90603 has a population of 20,361 with a median age of 41.3 yrs (46.9% male).
Health & Community Indicators in 90603
Historical Trends in 90603 (2020–Present)
Since 2020, population declined 2.0%, median income fell 1.0% (inflation-adjusted), home values increased 6.8%.
People & Community key statistics
| Population | |
|---|---|
| Population | 20,361 |
| Median age | 41.3 |
| Poverty rate | 3.7% |
| Demographics | |
|---|---|
| White | 49.0% |
| Hispanic | 58.1% |
| Black | 0.5% |
| Asian | 5.7% |
| Foreign-born | 5.5% |