ZIP Code 91740 — Glendora, California

    📍 ZIP code 91740 is in Glendora, Los Angeles County, California.

    ZIP code 91740 is located in Glendora, Los Angeles County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 27,131. The area code for zip code 91740 is 626.

    ZIP
    91740
    City
    Glendora
    County
    Los Angeles County
    State
    California
    Time Zone
    Pacific
    Area Code
    626
    Type
    Standard
    USPS City
    Glendora
    Latitude
    34.1194° N
    Longitude
    117.8551° W
    Land Area
    5 sq mi
    Water Area
    0 sq mi

    ZIP Code 91740 Map

    Coordinates: 34.1194°N, 117.8551°W

    ZIP Code 91740 Demographics

    Population

    Total Population27,131
    Density5,426/sq mi
    Median Age38
    Male / Female47.1% / 52.9%

    Income & Economy

    Median Household$96,433
    Per Capita$38,336
    Poverty Rate8.8%
    Unemployment5.2%

    Housing

    Total Units8,610
    Owner-Occupied65.3%
    Renter-Occupied34.7%
    Median Home Value$647,000
    Median Rent$2,092

    Education

    High School Grad90.2%
    Bachelor's Degree29.6%

    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 91740 in Context

    The median home in 91740 is valued at $647,000 against a median household income of $96,433, 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 Los Angeles County, 91740 ranks 41 of 275 ZIPs on affordability (1 = lowest ratio); the county median ratio is 9.2. Renting takes 26.0% of median household income (median rent $2,092 a month), under the 30% cost-burden threshold.

    91740 ranks 624 of 1,558 statewide on median household income and 693 of 1,558 on median home value; its income is above the $87,339 Los Angeles County median. 65% of households own their home, in line with the 64% statewide ZIP median, making this a majority-owner ZIP. 30% of adults hold a bachelor's degree or higher, below the 31% median, and the poverty rate is 8.8%, below the 10.8% statewide ZIP median. Unemployment stands at 5.2%.

    With 5,426 residents per square mile across 5 square miles of land, 91740 is far denser than the statewide ZIP median of 1,120 (rank 414 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 91740 primarily serves Glendora in Los Angeles County, California.

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