Santa Clara County, CA ZIP Codes & Directory
Complete postal guide for Santa Clara County, California. Featuring the official county seat of San Jose, largest municipality San Jose, and serving 16 incorporated municipal entities.
Municipalities Located in Santa Clara County
Incorporated Cities, Towns, and Villages
Campbell
cityZIPs: 95008
Cupertino
cityZIPs: 95014
Gilroy
cityZIPs: 95020
Los Altos
cityZIPs: 94022, 94024
Los Gatos
cityZIPs: 95030, 95032 , +1 more
Milpitas
cityZIPs: 95035
Morgan Hill
cityZIPs: 95037
Mount Hamilton
cityZIPs: 95140
Mountain View
cityZIPs: 94040, 94041 , +1 more
Palo Alto
cityZIPs: 94301, 94303 , +2 more
San Jose
cityZIPs: 95101, 95110 , +28 more
San Martin
cityZIPs: 95046
Santa Clara
cityZIPs: 95050, 95051 , +1 more
Saratoga
cityZIPs: 95070
Stanford
cityZIPs: 94305
Sunnyvale
cityZIPs: 94085, 94086 , +2 more
Active USPS ZIP Codes in Santa Clara County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Santa Clara County, CA
What is the county seat and largest city in Santa Clara County? ▾
The official county seat of Santa Clara County is San Jose, and its largest incorporated municipality by population is San Jose.
How many cities, towns, and villages are in Santa Clara County? ▾
Santa Clara County encompasses 16 incorporated municipal entities, including 16 cities, 0 towns, and 0 villages.
What is the total population and land area of Santa Clara County? ▾
According to official U.S. Census Bureau data, Santa Clara County has a population of approximately 1,936,259 residents and spans an area of 1,290 square miles.
How many ZIP codes operate in Santa Clara County? ▾
There are 58 active USPS ZIP codes serving addresses within Santa Clara County, California.