Zip Code 90240 — Downey, CA
90240 is a ZIP Code associated with Downey, CA, located within Los Angeles. 90240 ranks #196 out of 295 ZIP codes in Los Angeles County by population (and #726 out of 1,802 in CA). The area supports an estimated population of 24,853 residents across Data Pending housing units, with a population density of 3,188.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (33.956400, -118.118030)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 90240 |
| Primary City | Downey |
| State / Province | CA |
| County | Los Angeles |
| Total Population | 24,853 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 3,188.7 people/sq mi |
| Timezone | America/Los_Angeles |
How 90240 Compares
| Metric | ZIP 90240 | Los Angeles County | CA State Average |
|---|
| Population | 24,853 | 9,807,501 (Total) | 39,286,245 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 3,188.7 /sq mi | -- | -- |
| County Pop Rank | #196 of 295 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →