COUNTY · NM

Santa Fe County, New Mexico

Santa Fe County is a county in New Mexico with FIPS code 35049 and an estimated population of 155,956 (Census 2023), 3rd largest of 33 in the state.

County facts

Name
Santa Fe County
State
New Mexico
Type
county
FIPS code
35049
State FIPS
35
Population (2023)
155,956
Change since 2020
+0.6%
State rank
3 of 33

Population is the Census Bureau’s Vintage 2023 estimate.

Major cities in Santa Fe County

Other counties in New Mexico

Questions

What is the FIPS code for Santa Fe County?

Santa Fe County, New Mexico has the five-digit FIPS code 35049: 35 for the state and 049 for the county.

What state is Santa Fe County in?

Santa Fe County is in New Mexico.

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.