New Mexico Counties
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New Mexico Counties

There is thirty-three counties in the state of New Mexico. There were originally nine counties formed in 1852. Santa Ana County, New Mexico Territory, one of the nine original counties, was annexed in 1876 to Bernalillo County, New Mexico.

Luna County, New Mexico

Luna County Education, Geography, and HistoryLuna County, New Mexico Courthouse

Luna County is a county located in the state of New Mexico. Based on the 2010 census, the population was 25,095. Its county seat is Deming.This county abuts the Mexican border.

Luna County comprises the Deming, NM Micropolitan Statistical Area.

Etymology - Origin of Luna County Name

Named after Soloman Luna, who was a politician and cattle rancher.


County QuickFacts: CensusBureau Quick Facts

Luna County History

Luna County was named after Soloman Luna, who was a politician and cattle rancher. It was created in 1901 from Grant and Dona Ana County. The county seat is Deming which was founded in 1881 and officially incorporated in 1902. It was named after Mary Anne Deming, the wife of Charles Crocker, a railroad businessman.

Geography: Land and Water

As reported by the Census Bureau, the county has a total area of 2,965 square miles (7,680 km2), virtually all of which is land. The bulk of the county is flat lowland, either grassland or desert scrub, but it also contains three mountain ranges: Cooke's Range in the north, the Florida Mountains on the southeastern side of Deming near the center of the county, and the Tres Hermanas Mountains in the southern part of the county near Columbus.

Neighboring Counties

Bordering counties are as follows:

  • Sierra County - northeast
  • Doña Ana County - east
  • Grant County - west
  • Hidalgo County - west
  • Ascension, Chihuahua, Mexico - south


Residents are zoned to Deming Public Schools.

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