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/SAN-MARTIN

San Martin ZIP code, California

The ZIP code for San Martin, CA is 95046, and its area codes are 408 and 669.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
6,954
Area codes
408, 669

Mail addressed to San Martin uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

San Martin in numbers

About 6,954 people live in San Martin, in 2,007 households. The median household income is $158,250 a year, 60% above the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $1,430,600 (95% above the California median), and median gross rent is $2,613 a month. The median age is 46.8; 36.6% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 34 minutes.

Population6,954San Martin6,954
Households2,007San Martin2,007
Median age46.8San Martin46.8California37.9US 38.9
Median household income$158,250San Martin$158,250California$99,122US $80,734
Median home value$1,430,600San Martin$1,430,600California$734,700US $332,700
Median gross rent$2,613San Martin$2,613California$2,036US $1,413
Bachelor's degree or higher36.6%San Martin36.6%California37.1%US 35.7%
Mean commute34.1 minSan Martin34.1 minCalifornia28.7 minUS 26.4 min
Population density599 / sq miSan Martin599 / sq mi

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

ZIP codes addressed as San Martin

ZIP codes with the USPS city name San Martin
ZIP City Type Population Median income Median home
95046 San Martin , CA Standard 6,324 $158,550 $1,477,900

Other ZIP codes overlapping San Martin

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

ZIP codes overlapping San Martin
ZIP City Type Population Median income Median home
95020 Gilroy , CA Standard 67,181 $137,117 $1,059,100
95037 Morgan Hill , CA Standard 51,943 $163,182 $1,243,900

Map of San Martin ZIP codes

95046

The ZIP codes of San Martin, 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 San Martin

The nearest larger towns are Morgan Hill (45,425 people, 4.2 mi), Gilroy (59,004 people, 5.3 mi) and Interlaken (8,068 people, 12 mi).

Towns near San Martin
TownPopulationDistance
Morgan Hill 45,425 4.2 mi
Gilroy 59,004 5.3 mi
Interlaken 8,068 12.0 mi
Amesti 2,818 13.3 mi
Aromas 3,245 14.5 mi
Watsonville 51,712 14.7 mi
Freedom 3,172 14.8 mi
Day Valley 3,579 14.9 mi
Pajaro 2,899 14.9 mi
Las Lomas 3,355 16.6 mi
Aptos 6,404 17.6 mi
Rio del Mar 9,201 18.1 mi
San Jose 990,138 19.0 mi
Prunedale 19,723 19.0 mi

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

Cite this page

zipcodes.pro. “San Martin, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/san-martin

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