Colfax County, New Mexico

Colfax County population, land area and income

Colfax County had 12,307 residents in the Census Vintage 2024 estimate, on 3,758.0 square miles of land. It ranks 24th of 33 in New Mexico by population and 17th by land area. That works out to 3.3 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, so Colfax County has 47% of the typical county's population.

Its SAIPE 2023 median household income of $54,255 is in the bottom quarter among 3,143 counties with an estimate.

How Colfax County's population changed since 2020

Colfax County lost 46 residents between the July 2020 and July 2024 estimates, a drop of 0.4%. That ranks 12th 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, Colfax County recorded 387 births and 761 deaths, a natural change of -374. Net international migration added +175 and net domestic migration, people moving to or from other US counties, came to +141. The largest single component was natural change, which removed 374 people.

Where Colfax County is

The Census internal point of Colfax County is at 36.613000, -104.640100. 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 Colfax County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Colfax County

2 incorporated places of 1,000+ people have residents in Colfax County, 7,188 people together, or 58% of the county. Each figure counts only the part of the town inside Colfax County; towns marked "part" extend into another county. The largest is Raton with 6,005.

Counties bordering Colfax County

The Census 2024 county adjacency file lists 6 neighbors for Colfax County, including 2 across a state line. The most populous is Taos County, NM, with 34,482 residents. Distances run between Census internal points in a straight line.

• Taos County

  34,482 people

  55 mi W

• CO

  Las Animas County, CO

  14,518 people

  59 mi NE

• Mora County

  4,096 people

  46 mi SSW

• Union County

  3,926 people

  65 mi E

• CO

  Costilla County, CO

  3,686 people

  63 mi NW

• Harding County

  635 people

  68 mi SE

Distance to Santa Fe and the nearest big city

Santa Fe is 96.9 miles SW of Colfax County's internal point in a straight line. The nearest place of 100,000 or more is Pueblo, CO (population 111,166), 114.5 miles away. The nearest place of 10,000 or more is Las Vegas, NM (population 12,711), 76.7 miles away.

Colfax County FIPS code

The FIPS code of Colfax County is 35007: state code 35 for New Mexico plus county code 007. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $54,255.