Zip Code 90755 — Signal Hill, CA
90755 is a ZIP Code associated with Signal Hill, CA, located within Los Angeles. 90755 ranks #249 out of 295 ZIP codes in Los Angeles County by population (and #973 out of 1,802 in CA). The area supports an estimated population of 11,521 residents across Data Pending housing units, with a population density of 2,047.3 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (33.802740, -118.167470)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 90755 |
| Primary City | Signal Hill |
| State / Province | CA |
| County | Los Angeles |
| Total Population | 11,521 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 2,047.3 people/sq mi |
| Timezone | America/Los_Angeles |
How 90755 Compares
| Metric | ZIP 90755 | Los Angeles County | CA State Average |
|---|
| Population | 11,521 | 9,807,501 (Total) | 39,286,245 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 2,047.3 /sq mi | -- | -- |
| County Pop Rank | #249 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 →