Zip Code 91801 — Alhambra, CA

ZIP Code 91801 is associated with Alhambra, CA, in Los Angeles County. The listed population estimate is 53,381; estimated density is 4,766.5 people per square mile. Among records with population estimates, it ranks #43 of 288 in Los Angeles County and #186 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.090930, -118.127760)

Data MetricLocal Statistic
Postal / Zip Code91801
Primary CityAlhambra
State / ProvinceCA
CountyLos Angeles
Total Population53,381
Population Density4,766.5 people/sq mi
TimezoneAmerica/Los_Angeles

How 91801 Compares

MetricZIP 91801Los Angeles County recordsCA records
Population estimate53,3819,807,501 (sum)39,286,245 (sum)
Population Density4,766.5 /sq mi----
County population rank#43 of 288----
State population rank#186 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 91803Alhambra1.5 mi27,715
ZIP 91776San Gabriel1.9 mi36,952
ZIP 91030South Pasadena2.2 mi26,068
ZIP 91108San Marino2.3 mi12,401
ZIP 91775San Gabriel2.7 mi23,672

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 →