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Zip Code 91764 — Ontario, CA

91764 is a ZIP Code associated with Ontario, CA, located within San Bernardino. The postal region supports an estimated population of 56,270 residents across Data Pending housing units, with a population density of 2,747.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (34.075330, -117.601640)

Data MetricLocal Statistic
Postal / Zip Code91764
Primary CityOntario
State / ProvinceCA
CountySan Bernardino
Total Population56,270
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density2,747.8 people/sq mi
TimezoneAmerica/Los_Angeles

How 91764 Compares

MetricZIP 91764San Bernardino CountyCA State Average
Population56,2702,188,91239,286,245
Median IncomeData PendingN/AN/A
Population Density2,747.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 91730Rancho Cucamonga2.1 mi71,613N/A
Zip 91761Ontario2.8 mi62,935N/A
Zip 91786Upland4.0 mi55,829N/A
Zip 91762Ontario4.1 mi64,235N/A
Zip 91701Rancho Cucamonga4.3 mi39,287N/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 →