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Rancho Cucamonga city, CA
ZIP 91737 — 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 91737
91737 has a population of 22,797 with a median age of 44.3 yrs (49.1% male).
Health & Community Indicators in 91737
Historical Trends in 91737 (2020–Present)
Since 2020, population declined 5.3%, median income fell 4.2% (inflation-adjusted), home values increased 11.0%.
People & Community key statistics
| Population | |
|---|---|
| Population | 22,797 |
| Median age | 44.3 |
| Poverty rate | 10.1% |
| Demographics | |
|---|---|
| White | 48.5% |
| Hispanic | 32.9% |
| Black | 6.1% |
| Asian | 14.8% |
| Foreign-born | 21.7% |