ZIP Code 92377 — Rialto, California

    📍 ZIP code 92377 is in Rialto, San Bernardino County, California.

    ZIP code 92377 is located in Rialto, San Bernardino County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 20,935. The area code for zip code 92377 is 909.

    ZIP
    92377
    City
    Rialto
    County
    San Bernardino County
    State
    California
    Time Zone
    Pacific
    Area Code
    909
    Type
    Standard
    USPS City
    Rialto
    Latitude
    34.1578° N
    Longitude
    117.4060° W
    Land Area
    7.2 sq mi
    Water Area
    0 sq mi

    ZIP Code 92377 Map

    Coordinates: 34.1578°N, 117.4060°W

    ZIP Code 92377 Demographics

    Population

    Total Population20,935
    Density2,908/sq mi
    Median Age35
    Male / Female49.9% / 50.1%

    Income & Economy

    Median Household$108,973
    Per Capita$32,463
    Poverty Rate9.5%
    Unemployment6.7%

    Housing

    Total Units5,473
    Owner-Occupied83.4%
    Renter-Occupied16.6%
    Median Home Value$480,400
    Median Rent$2,126

    Education

    High School Grad86.1%
    Bachelor's Degree23.2%

    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 92377 in Context

    The median home in 92377 is valued at $480,400 against a median household income of $108,973, a price-to-income ratio of 4.4. That is below the 6.7 median across the 1,558 California ZIP codes with published housing data, and past the 3.0 ratio that marks an attainable market nationally, though it is among the more attainable ratios in the state. Within San Bernardino County, 92377 ranks 19 of 76 ZIPs on affordability (1 = lowest ratio); the county median ratio is 5.3. Renting takes 23.4% of median household income (median rent $2,126 a month), under the 30% cost-burden threshold.

    92377 ranks 459 of 1,558 statewide on median household income and 966 of 1,558 on median home value; its income is far above the $71,552 San Bernardino County median. 83% of households own their home, above the 64% statewide ZIP median, making this a majority-owner ZIP. 23% of adults hold a bachelor's degree or higher, below the 31% median, and the poverty rate is 9.5%, below the 10.8% statewide ZIP median. Unemployment stands at 6.7%.

    With 2,908 residents per square mile across 7.2 square miles of land, 92377 is far denser than the statewide ZIP median of 1,120 (rank 607 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 92377 primarily serves Rialto in San Bernardino County, California.

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