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Castaic CDP, CA
ZIP 91384 — 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 91384
91384 has a population of 27,278 with a median age of 35.1 yrs (58.6% male).
Health & Community Indicators in 91384
Historical Trends in 91384 (2020–Present)
Since 2020, population declined 5.4%, median income fell 1.7% (inflation-adjusted), home values increased 6.2%.
People & Community key statistics
| Population | |
|---|---|
| Population | 27,278 |
| Median age | 35.1 |
| Poverty rate | 4.5% |
| Demographics | |
|---|---|
| White | 49.5% |
| Hispanic | 42.8% |
| Black | 5.0% |
| Asian | 9.0% |
| Foreign-born | 13.1% |