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.

Hidalgo County, New Mexico

Hidalgo County Education, Geography, and HistoryHidalgo County, New Mexico Courthouse

Hidalgo County is the southernmost county of the state of New Mexico. Based on the 2010 census, the population was 4,894. The county seat and largest city is Lordsburg. A bill creating Hidalgo from the southern part of Grant County was passed on February 25, 1919, taking effect at the beginning of 1920. The county was named for the town north of Mexico City where the Treaty of Guadalupe Hidalgo was signed, which in turn was named for Miguel Hidalgo y Costilla, the priest who is known as the "Father of Mexican Independence". This county abuts the Mexican border.

Etymology - Origin of Hidalgo County Name

Hidalgo was named for Guadalupe Hidalgo of Mexico.


County QuickFacts: CensusBureau Quick Facts

Hidalgo County History

Hidalgo County was created 25 February 1919. Lordsburg is the county seat. Hidalgo was named for Guadalupe Hidalgo of Mexico. Hidalgo is an open landscape with breath-taking beauty. The railroad once provided income but now farming and ranching are the main businesses.

Geography: Land and Water

As reported by the Census Bureau, the county has a total area of 3,446 square miles (8,930 km2), of which 3,437 square miles (8,900 km2) is land and 9.1 square miles (24 km2) (0.3%) is water.

The southern part of the county, the part bounded on the east and south by Mexico, is known as the Boot Heel.

Neighboring Counties

Bordering counties are as follows:

  1. Grant County - north
  2. Luna County - east
  3. Cochise County, Arizona - west
  4. Greenlee County, Arizona - northwest
  5. Agua Prieta, Sonora, Mexico - southwest
  6. Ascension, Chihuahua, Mexico - southeast
  7. Janos, Chihuahua, Mexico - south


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