Doña Ana County, New Mexico

Doña Ana County population, land area and income

Doña Ana County had 229,366 residents in the Census Vintage 2024 estimate, on 3,808.2 square miles of land. It ranks 2nd of 33 in New Mexico by population and 16th by land area. That works out to 60.2 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in New Mexico has 26,428 residents, so Doña Ana County is 8.7 times that size.

Its SAIPE 2023 median household income of $56,233 is below the national county median among 3,143 counties with an estimate.

How Doña Ana County's population changed since 2020

Doña Ana County gained 9,297 residents between the July 2020 and July 2024 estimates, a rise of 4.2%. That ranks 5th 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, Doña Ana County recorded 10,614 births and 9,301 deaths, a natural change of +1,313. Net international migration added +4,014 and net domestic migration, people moving to or from other US counties, came to +4,383. The largest single component was domestic migration, which added 4,383 people.

Where Doña Ana County is

The Census internal point of Doña Ana County is at 32.349900, -106.835000. 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 Doña Ana County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Doña Ana County

5 incorporated places of 1,000+ people have residents in Doña Ana County, 147,511 people together, or 64% of the county. Each figure counts only the part of the town inside Doña Ana County; towns marked "part" extend into another county. The largest is Las Cruces with 116,998.

Counties bordering Doña Ana County

The Census 2024 county adjacency file lists 4 neighbors for Doña Ana County, including 1 across a state line. The most populous is El Paso County, TX, with 875,784 residents. Distances run between Census internal points in a straight line.

• TX

  El Paso County, TX

  875,784 people

  53 mi SE

• Otero County

  69,711 people

  66 mi ENE

• Luna County

  25,878 people

  55 mi WSW

• Sierra County

  11,389 people

  57 mi NNW

Distance to Santa Fe and the nearest big city

Santa Fe is 235.9 miles NNE of Doña Ana County's internal point in a straight line. The nearest place of 100,000 or more is Las Cruces, NM (population 116,998), 3.1 miles away.

Doña Ana County FIPS code

The FIPS code of Doña Ana County is 35013: state code 35 for New Mexico plus county code 013. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $56,233.