COUNTY · NM

Socorro County, New Mexico

Socorro County is a county in New Mexico with FIPS code 35053 and an estimated population of 15,963 (Census 2023), 22nd largest of 33 in the state.

County facts

Name
Socorro County
State
New Mexico
Type
county
FIPS code
35053
State FIPS
35
Population (2023)
15,963
Change since 2020
-3.6%
State rank
22 of 33

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in New Mexico

Questions

What is the FIPS code for Socorro County?

Socorro County, New Mexico has the five-digit FIPS code 35053: 35 for the state and 053 for the county.

What state is Socorro County in?

Socorro 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.