ZIP Code 94306 — Palo Alto, California

    📍 ZIP code 94306 is in Palo Alto, Santa Clara County, California.

    ZIP code 94306 is located in Palo Alto, Santa Clara County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 27,785. The area code for zip code 94306 is 650.

    ZIP
    94306
    City
    Palo Alto
    County
    Santa Clara County
    State
    California
    Time Zone
    Pacific
    Area Code
    650
    Type
    Standard
    USPS City
    Palo Alto
    Latitude
    37.4157° N
    Longitude
    122.1308° W
    Land Area
    4.1 sq mi
    Water Area
    0 sq mi

    ZIP Code 94306 Map

    Coordinates: 37.4157°N, 122.1308°W

    ZIP Code 94306 Demographics

    Population

    Total Population27,785
    Density6,777/sq mi
    Median Age40.5
    Male / Female47.4% / 52.6%

    Income & Economy

    Median Household$199,800
    Per Capita$108,412
    Poverty Rate6.8%
    Unemployment3%

    Housing

    Total Units11,876
    Owner-Occupied55.1%
    Renter-Occupied44.9%
    Median Home Value$2,000,001
    Median Rent$2,945

    Education

    High School Grad96.4%
    Bachelor's Degree81.5%

    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 94306 in Context

    The median home in 94306 is valued at more than $2,000,000 (the Census reporting ceiling) against a median household income of $199,800, a price-to-income ratio of at least 10.0. 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, which means a household earning the local median income cannot finance the local median home on conventional terms. Within Santa Clara County, 94306 ranks 41 of 56 ZIPs on affordability (1 = lowest ratio); the county median ratio is 8.6. Renting takes 17.7% of median household income (median rent $2,945 a month), under the 30% cost-burden threshold.

    94306 ranks 48 of 1,558 statewide on median household income and 1 of 1,558 on median home value; its income is above the $159,101 Santa Clara County median. 55% of households own their home, below the 64% statewide ZIP median, making this a majority-owner ZIP. 82% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 6.8%, below the 10.8% statewide ZIP median. Unemployment stands at 3.0%.

    With 6,777 residents per square mile across 4.1 square miles of land, 94306 is far denser than the statewide ZIP median of 1,120 (rank 317 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 94306 primarily serves Palo Alto in Santa Clara County, California.

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