COUNTY · CA

Santa Clara County, California

Santa Clara County is a county in California with FIPS code 06085 and an estimated population of 1,877,592 (Census 2023), 6th largest of 58 in the state.

County facts

Name: Santa Clara County
State: California
Type: county
FIPS code: 06085
State FIPS: 06
Population (2023): 1,877,592
Change since 2020: -2.8%
State rank: 6 of 58

Population is the Census Bureau’s Vintage 2023 estimate.

Major cities in Santa Clara County

San Jose

Other counties in California

Los Angeles County San Diego County Orange County Riverside County San Bernardino County Alameda County Sacramento County Contra Costa County All 58

Questions

What is the FIPS code for Santa Clara County?

Santa Clara County, California has the five-digit FIPS code 06085: 06 for the state and 085 for the county.

What state is Santa Clara County in?

Santa Clara County is in California.

How do I know if an address is in this county?

Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.

Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.