Zip Code 90755 — Signal Hill, CA

ZIP Code 90755 is associated with Signal Hill, CA, in Los Angeles County. The listed population estimate is 11,521; estimated density is 2,047.3 people per square mile. Among records with population estimates, it ranks #249 of 288 in Los Angeles County and #973 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (33.802740, -118.167470)

Data MetricLocal Statistic
Postal / Zip Code90755
Primary CitySignal Hill
State / ProvinceCA
CountyLos Angeles
Total Population11,521
Population Density2,047.3 people/sq mi
TimezoneAmerica/Los_Angeles

How 90755 Compares

MetricZIP 90755Los Angeles County recordsCA records
Population estimate11,5219,807,501 (sum)39,286,245 (sum)
Population Density2,047.3 /sq mi----
County population rank#249 of 288----
State population rank#973 of 1,762----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in CA

ZIP CodeCityDistancePopulation estimate
ZIP 90806Long Beach0.7 mi41,664
ZIP 90804Long Beach1.8 mi38,076
ZIP 90807Long Beach2.1 mi33,101
ZIP 90813Long Beach2.2 mi51,241
ZIP 90814Long Beach2.6 mi19,471

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 →