ZIP Code 93440 — Los Alamos, California

    📍 ZIP code 93440 is in Los Alamos, Santa Barbara County, California.

    ZIP code 93440 is located in Los Alamos, Santa Barbara County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 846. The area code for zip code 93440 is 805.

    ZIP
    93440
    City
    Los Alamos
    County
    Santa Barbara County
    State
    California
    Time Zone
    Pacific
    Area Code
    805
    Type
    Standard
    USPS City
    Los Alamos
    Latitude
    34.7122° N
    Longitude
    120.2301° W
    Land Area
    44.1 sq mi
    Water Area
    0 sq mi

    ZIP Code 93440 Map

    Coordinates: 34.7122°N, 120.2301°W

    ZIP Code 93440 Demographics

    Population

    Total Population846
    Density19/sq mi
    Median Age68.2
    Male / Female38.9% / 61.1%

    Income & Economy

    Median Household$46,930
    Per Capita$47,115
    Poverty Rate4.6%
    Unemployment6.7%

    Housing

    Total Units598
    Owner-Occupied80.9%
    Renter-Occupied19.1%
    Median Home Value$639,000
    Median Rent$536

    Education

    High School Grad86.7%
    Bachelor's Degree19.9%

    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 93440 in Context

    The median home in 93440 is valued at $639,000 against a median household income of $46,930, a price-to-income ratio of 13.6. That is far 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, which means a household earning the local median income cannot finance the local median home on conventional terms. Within Santa Barbara County, 93440 ranks 18 of 20 ZIPs on affordability (1 = lowest ratio); the county median ratio is 8.3. Renting takes 13.7% of median household income (median rent $536 a month), under the 30% cost-burden threshold.

    93440 ranks 1,452 of 1,558 statewide on median household income and 710 of 1,558 on median home value; its income is far below the $107,221 Santa Barbara County median. 81% of households own their home, above the 64% statewide ZIP median, making this a majority-owner ZIP. 20% of adults hold a bachelor's degree or higher, below the 31% median, and the poverty rate is 4.6%, far below the 10.8% statewide ZIP median and among the lowest in the state. Unemployment stands at 6.7%.

    With 19 residents per square mile across 44.1 square miles of land, 93440 is far less dense than the statewide ZIP median of 1,120 (rank 1,358 of 1,558). This is rural or open territory where most of the land is agricultural, forest, desert or public land.

    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 93440 primarily serves Los Alamos in Santa Barbara County, California.

    Frequently Asked Questions

    People Also Searched For

    Related Resources