ZIP Code 95640 — Ione, California

    📍 ZIP code 95640 is in Ione, Amador County, California.

    ZIP code 95640 is located in Ione, Amador County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 12,518. The area code for zip code 95640 is 209.

    ZIP
    95640
    City
    Ione
    County
    Amador County
    State
    California
    Time Zone
    Pacific
    Area Code
    209
    Type
    Standard
    USPS City
    Ione
    Latitude
    38.3252° N
    Longitude
    120.9558° W
    Land Area
    131.4 sq mi
    Water Area
    6.3 sq mi

    ZIP Code 95640 Map

    Coordinates: 38.3252°N, 120.9558°W

    ZIP Code 95640 Demographics

    Population

    Total Population12,518
    Density95/sq mi
    Median Age43.7
    Male / Female60.6% / 39.4%

    Income & Economy

    Median Household$90,665
    Per Capita$34,119
    Poverty Rate8.5%
    Unemployment2.2%

    Housing

    Total Units4,153
    Owner-Occupied79.2%
    Renter-Occupied20.8%
    Median Home Value$427,000
    Median Rent$1,214

    Education

    High School Grad86.8%
    Bachelor's Degree14.5%

    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 95640 in Context

    The median home in 95640 is valued at $427,000 against a median household income of $90,665, a price-to-income ratio of 4.7. 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 Amador County, 95640 ranks 4 of 9 ZIPs on affordability (1 = lowest ratio); the county median ratio is 5.4. Renting takes 16.1% of median household income (median rent $1,214 a month), under the 30% cost-burden threshold.

    95640 ranks 719 of 1,558 statewide on median household income and 1,062 of 1,558 on median home value; its income is above the $78,143 Amador County median. 79% of households own their home, above the 64% statewide ZIP median, making this a majority-owner ZIP. 15% of adults hold a bachelor's degree or higher, far below the 31% median, and the poverty rate is 8.5%, below the 10.8% statewide ZIP median. Unemployment stands at 2.2%.

    With 95 residents per square mile across 131.4 square miles of land, 95640 is far less dense than the statewide ZIP median of 1,120 (rank 1,149 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 95640 primarily serves Ione in Amador County, California.

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