COUNTY · NM
Sandoval County, New Mexico
Sandoval County is a county in New Mexico with FIPS code 35043 and an estimated population of 155,936 (Census 2023), 4th largest of 33 in the state.
County facts
- Name
- Sandoval County
- State
- New Mexico
- Type
- county
- FIPS code
- 35043
- State FIPS
- 35
- Population (2023)
- 155,936
- Change since 2020
- +4.5%
- State rank
- 4 of 33
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Sandoval County?
Sandoval County, New Mexico has the five-digit FIPS code 35043: 35 for the state and 043 for the county.
What state is Sandoval County in?
Sandoval 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.