ZIP Code 91764 — Ontario, California

    📍 ZIP code 91764 is in Ontario, San Bernardino County, California.

    ZIP code 91764 is located in Ontario, San Bernardino County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 55,311. The area code for zip code 91764 is 909.

    ZIP
    91764
    City
    Ontario
    County
    San Bernardino County
    State
    California
    Time Zone
    Pacific
    Area Code
    909
    Type
    Standard
    USPS City
    Ontario
    Latitude
    34.0741° N
    Longitude
    117.6056° W
    Land Area
    7.9 sq mi
    Water Area
    0 sq mi

    ZIP Code 91764 Map

    Coordinates: 34.0741°N, 117.6056°W

    ZIP Code 91764 Demographics

    Population

    Total Population55,311
    Density7,001/sq mi
    Median Age31.8
    Male / Female49.6% / 50.4%

    Income & Economy

    Median Household$71,336
    Per Capita$26,285
    Poverty Rate15.8%
    Unemployment5.7%

    Housing

    Total Units17,131
    Owner-Occupied44.8%
    Renter-Occupied55.2%
    Median Home Value$475,300
    Median Rent$1,979

    Education

    High School Grad72.9%
    Bachelor's Degree16.5%

    Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).

    Affordability & Profile: ZIP 91764 in Context

    The median home in 91764 is valued at $475,300 against a median household income of $71,336, a price-to-income ratio of 6.7. That is in line with the 6.7 median across the 1,558 California ZIP codes with published housing data, and well past the 3.0 ratio that marks an attainable market nationally, so buying here on a local median income requires substantial savings or a second income. Within San Bernardino County, 91764 ranks 65 of 76 ZIPs on affordability (1 = lowest ratio); the county median ratio is 5.3. Renting takes 33.3% of median household income (median rent $1,979 a month), above the 30% cost-burden threshold.

    91764 ranks 1,052 of 1,558 statewide on median household income and 974 of 1,558 on median home value; its income is in line with the $71,552 San Bernardino County median. 45% of households own their home, below the 64% statewide ZIP median, so most residents rent. 17% of adults hold a bachelor's degree or higher, below the 31% median, and the poverty rate is 15.8%, above the 10.8% statewide ZIP median. Unemployment stands at 5.7%.

    With 7,001 residents per square mile across 7.9 square miles of land, 91764 is far denser than the statewide ZIP median of 1,120 (rank 297 of 1,558). This is predominantly single-family residential with suburban street patterns.

    Ratios and ranks are computed from the ACS figures above across the 1,558 California ZIP codes with published housing data. See the 2026 California affordability report for the statewide analysis and the methodology for definitions.

    Nearby Zip Codes

    Cities & Places Served

    ZIP code 91764 primarily serves Ontario in San Bernardino County, California.

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