CITY · NM

What county is Santa Fe, NM in?

Santa Fe, NM is mostly in Santa Fe County. County FIPS code 35049, population 155,956 (2023 estimate).

County details

City: Santa Fe, New Mexico
Primary county: Santa Fe County
FIPS code: 35049
County population: 155,956

Some cities extend into more than one county. Santa Fe is placed in the county that contains its center. For a specific address, use the address lookup.

Questions

What county is Santa Fe in?

Santa Fe, NM is mostly in Santa Fe County.

What is the county seat of Santa Fe County?

County seats are not part of the data on this site. Check the county’s official website.

Can a city be in two counties?

Yes. Large cities such as Houston and Atlanta cross county lines. The address lookup shows the exact county for any street address.

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