ZIP Code 92121 — San Diego, California

    📍 ZIP code 92121 is in San Diego, San Diego County, California.

    ZIP code 92121 is located in San Diego, San Diego County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 4,150. The area code for zip code 92121 is 619.

    ZIP
    92121
    City
    San Diego
    County
    San Diego County
    State
    California
    Time Zone
    Pacific
    Area Code
    619
    Type
    Standard
    USPS City
    San Diego
    Latitude
    32.8996° N
    Longitude
    117.2012° W
    Land Area
    12.5 sq mi
    Water Area
    0 sq mi

    ZIP Code 92121 Map

    Coordinates: 32.8996°N, 117.2012°W

    ZIP Code 92121 Demographics

    Population

    Total Population4,150
    Density332/sq mi
    Median Age32.3
    Male / Female53.3% / 46.7%

    Income & Economy

    Median Household$125,000
    Per Capita$64,295
    Poverty Rate18%
    Unemployment5%

    Housing

    Total Units1,750
    Owner-Occupied48.4%
    Renter-Occupied51.6%
    Median Home Value$1,017,800
    Median Rent$2,433

    Education

    High School Grad99%
    Bachelor's Degree77.3%

    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 92121 in Context

    The median home in 92121 is valued at $1,017,800 against a median household income of $125,000, a price-to-income ratio of 8.1. That is above 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 Diego County, 92121 ranks 65 of 94 ZIPs on affordability (1 = lowest ratio); the county median ratio is 7.4. Renting takes 23.4% of median household income (median rent $2,433 a month), under the 30% cost-burden threshold.

    92121 ranks 304 of 1,558 statewide on median household income and 311 of 1,558 on median home value; its income is above the $98,033 San Diego County median. 48% of households own their home, below the 64% statewide ZIP median, so most residents rent. 77% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 18.0%, far above the 10.8% statewide ZIP median. Unemployment stands at 5.0%.

    With 332 residents per square mile across 12.5 square miles of land, 92121 is far less dense than the statewide ZIP median of 1,120 (rank 968 of 1,558). This is a low-density pattern of large lots, small towns or scattered subdivisions.

    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 92121 primarily serves San Diego in San Diego County, California.

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