San Miguel County, New Mexico

San Miguel County population, land area and income

San Miguel County had 26,428 residents in the Census Vintage 2024 estimate, on 4,721.5 square miles of land. It ranks 17th of 33 in New Mexico by population and 9th by land area. That works out to 5.6 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in New Mexico has 26,428 residents, about the same as San Miguel County.

Its SAIPE 2023 median household income of $46,318 is in the bottom quarter among 3,143 counties with an estimate.

How San Miguel County's population changed since 2020

San Miguel County lost 700 residents between the July 2020 and July 2024 estimates, a drop of 2.6%. That ranks 27th of 33 in New Mexico for growth. The median New Mexico county changed by -1.3%, and the state as a whole by +0.5%.

Since the April 2020 estimates base, San Miguel County recorded 901 births and 1,510 deaths, a natural change of -609. Net international migration added +106 and net domestic migration, people moving to or from other US counties, came to -272. The largest single component was natural change, which removed 609 people.

Where San Miguel County is

The Census internal point of San Miguel County is at 35.476900, -104.803500. It sits in UTM zone 13N. The map shades New Mexico's 33 county-equivalents by population change from 2020 to 2024, darker for faster growth, with San Miguel County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in San Miguel County

2 incorporated places of 1,000+ people have residents in San Miguel County, 14,083 people together, or 53% of the county. Each figure counts only the part of the town inside San Miguel County; towns marked "part" extend into another county. The largest is Las Vegas with 12,711.

Counties bordering San Miguel County

The Census 2024 county adjacency file lists 6 neighbors for San Miguel County. The most populous is Santa Fe County, NM, with 157,765 residents. Distances run between Census internal points in a straight line.

• Santa Fe County

  157,765 people

  65 mi W

• Torrance County

  15,986 people

  89 mi SW

• Quay County

  8,403 people

  75 mi ESE

• Guadalupe County

  4,385 people

  42 mi S

• Mora County

  4,096 people

  36 mi N

• Harding County

  635 people

  60 mi ENE

Distance to Santa Fe and the nearest big city

Santa Fe is 65.4 miles WNW of San Miguel County's internal point in a straight line. The nearest place of 100,000 or more is Albuquerque, NM (population 560,326), 107.1 miles away. The nearest place of 10,000 or more is Las Vegas, NM (population 12,711), 24.9 miles away.

San Miguel County FIPS code

The FIPS code of San Miguel County is 35047: state code 35 for New Mexico plus county code 047. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $46,318.