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Zip Code 91803 — Alhambra, CA

91803 is a ZIP Code associated with Alhambra, CA, located within Los Angeles. The postal region supports an estimated population of 27,715 residents across Data Pending housing units, with a population density of 3,282.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (34.074900, -118.146240)

Data MetricLocal Statistic
Postal / Zip Code91803
Primary CityAlhambra
State / ProvinceCA
CountyLos Angeles
Total Population27,715
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density3,282.6 people/sq mi
TimezoneAmerica/Los_Angeles

How 91803 Compares

MetricZIP 91803Los Angeles CountyCA State Average
Population27,7159,807,50139,286,245
Median IncomeData PendingN/AN/A
Population Density3,282.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 91801Alhambra1.5 mi53,381N/A
Zip 91754Monterey Park1.7 mi32,248N/A
Zip 90032Los Angeles1.9 mi43,117N/A
Zip 91030South Pasadena2.5 mi26,068N/A
Zip 91755Monterey Park2.6 mi26,810N/A

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 →