ZIP Code 94566 — Pleasanton, California
📍 ZIP code 94566 is in Pleasanton, Alameda County, California.
ZIP code 94566 is located in Pleasanton, Alameda County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 45,145. The area code for zip code 94566 is 925.
ZIP Code 94566 Demographics
Population
Income & Economy
Housing
Education
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 94566 in Context
The median home in 94566 is valued at $1,452,900 against a median household income of $187,357, a price-to-income ratio of 7.8. 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 Alameda County, 94566 ranks 19 of 47 ZIPs on affordability (1 = lowest ratio); the county median ratio is 7.9. Renting takes 16.3% of median household income (median rent $2,548 a month), under the 30% cost-burden threshold.
94566 ranks 65 of 1,558 statewide on median household income and 130 of 1,558 on median home value; its income is above the $125,410 Alameda County median. 72% of households own their home, above the 64% statewide ZIP median, making this a majority-owner ZIP. 68% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 4.4%, far below the 10.8% statewide ZIP median and among the lowest in the state. Unemployment stands at 3.5%.
With 2,224 residents per square mile across 20.3 square miles of land, 94566 is far denser than the statewide ZIP median of 1,120 (rank 678 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 94566 primarily serves Pleasanton in Alameda County, California.









