Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/CA/STANFORD

Stanford ZIP code, California

The ZIP code for Stanford, CA is 94305, and its area code is 650.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
18,662
Area code
650

NANPA lists no telephone rate centre for Stanford itself, so these are the area codes of the nearest one, Palo Alto (1.5 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Stanford uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Stanford in numbers

About 18,662 people live in Stanford, in 3,428 households. The median household income is $75,208 a year, 24% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $2,000,000+, and median gross rent is $1,976 a month. The median age is 22.0; 92.3% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 15 minutes.

Population18,662Stanford18,662
Households3,428Stanford3,428
Median age22.0Stanford22.0California37.9US 38.9
Median household income$75,208Stanford$75,208California$99,122US $80,734
Median home value$2,000,000+Stanford$2,000,000+California$734,700US $332,700
Median gross rent$1,976Stanford$1,976California$2,036US $1,413
Bachelor's degree or higher92.3%Stanford92.3%California37.1%US 35.7%
Mean commute14.6 minStanford14.6 minCalifornia28.7 minUS 26.4 min
Population density6,786 / sq miStanford6,786 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Stanford CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Stanford

ZIP codes with the USPS city name Stanford
ZIP City Type Population Median income Median home
94305 Stanford , CA Standard 18,509 $83,088 $2,000,000+

Other ZIP codes overlapping Stanford

These ZIP codes cover part of Stanford but are addressed as somewhere else.

ZIP codes overlapping Stanford
ZIP City Type Population Median income Median home
94304 Palo Alto , CA Standard 5,000 $154,141 $2,000,000+

Map of Stanford ZIP codes

94305

The ZIP codes of Stanford, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Stanford

The nearest larger towns are Palo Alto (67,237 people, 2.5 mi), East Palo Alto (29,069 people, 3.4 mi) and Menlo Park (32,727 people, 3.8 mi).

Towns near Stanford
TownPopulationDistance
West Menlo Park 3,634 2.0 mi
Palo Alto 67,237 2.5 mi
Atherton 6,993 2.8 mi
East Palo Alto 29,069 3.4 mi
Menlo Park 32,727 3.8 mi
North Fair Oaks 13,100 3.9 mi
Los Altos Hills 8,377 4.5 mi
Woodside 5,126 5.0 mi
Mountain View 83,732 5.2 mi
Portola Valley 4,305 5.6 mi
Los Altos 30,698 5.6 mi
Emerald Lake Hills 4,235 6.0 mi
Loyola 3,430 6.5 mi
Redwood City 82,447 6.6 mi

More nearby: every ZIP code in Santa Clara County · California ZIP codes

Cite this page

zipcodes.pro. “Stanford, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/stanford

Underlying data is public domain or openly licensed — sources, vintages and licences.