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Zip Code 91791 — West Covina, CA

91791 is a ZIP Code associated with West Covina, CA, located within Los Angeles. The postal region supports an estimated population of 33,028 residents across Data Pending housing units, with a population density of 1,919.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (34.061340, -117.894250)

Data MetricLocal Statistic
Postal / Zip Code91791
Primary CityWest Covina
State / ProvinceCA
CountyLos Angeles
Total Population33,028
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,919.9 people/sq mi
TimezoneAmerica/Los_Angeles

How 91791 Compares

MetricZIP 91791Los Angeles CountyCA State Average
Population33,0289,807,50139,286,245
Median IncomeData PendingN/AN/A
Population Density1,919.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 91723Covina1.7 mi17,733N/A
Zip 91792West Covina2.5 mi30,629N/A
Zip 91790West Covina2.5 mi44,710N/A
Zip 91722Covina2.6 mi35,099N/A
Zip 91724Covina2.6 mi28,352N/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 →