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La Mesa city, CA
ZIP 91942 — People & Community
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Middle ClassLow Snow Area
Demographics, education attainment, health access, and community lifestyle
Population & Demographics in 91942
91942 has a population of 40,920 with a median age of 37.5 yrs (47.4% male).
Health & Community Indicators in 91942
Historical Trends in 91942 (2020–Present)
Since 2020, population grew 0.5%, median income rose 3.7% (inflation-adjusted), home values increased 11.2%.
People & Community key statistics
| Population | |
|---|---|
| Population | 40,920 |
| Median age | 37.5 |
| Poverty rate | 12.7% |
| Demographics | |
|---|---|
| White | 61.5% |
| Hispanic | 27.0% |
| Black | 7.3% |
| Asian | 7.0% |
| Foreign-born | 22.0% |