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Otero County, New Mexico facts for kids

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Otero County
Otero County courthouse in Alamogordo
Otero County courthouse in Alamogordo
Map of New Mexico highlighting Otero County
Location within the U.S. state of New Mexico
Map of the United States highlighting New Mexico
New Mexico's location within the U.S.
Country  United States
State  New Mexico
Founded January 30, 1899
Named for Miguel Antonio Otero
Seat Alamogordo
Largest city Alamogordo
 • Total 6,628 sq mi (17,170 km2)
 • Land 6,613 sq mi (17,130 km2)
 • Water 14 sq mi (40 km2)  0.2%%
 • Estimate 
 • Density 9.6/sq mi (3.7/km2)
Time zone UTC−7 (Mountain)
 • Summer (DST) UTC−6 (MDT)
Congressional district 2nd

Otero County is a county located in the U.S. state of New Mexico. As of the 2010 census, the population was 63,797. Its county seat is Alamogordo. Its southern boundary is the Texas state line. It is named for Miguel Antonio Otero, the territorial governor when the county was created.

Otero County includes the Alamogordo Micropolitan Statistical Area.


According to the U.S. Census Bureau, the county has a total area of 6,628 square miles (17,170 km2), of which 6,613 square miles (17,130 km2) is land and 14 square miles (36 km2) (0.2%) is water. It is the third-largest county in New Mexico by area.

Adjacent counties

National protected areas


Historical population
Census Pop.
1910 7,069
1920 7,902 11.8%
1930 9,779 23.8%
1940 10,522 7.6%
1950 14,909 41.7%
1960 36,976 148.0%
1970 41,097 11.1%
1980 44,665 8.7%
1990 51,928 16.3%
2000 62,298 20.0%
2010 63,797 2.4%
2019 (est.) 67,490 5.8%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2016

2010 census

As of the 2010 census, there were 63,797 people, 24,464 households, and 16,641 families living in the county. The population density was 9.6 inhabitants per square mile (3.7/km2). There were 30,992 housing units at an average density of 4.7 per square mile (1.8/km2). The racial makeup of the county was 72.7% white, 6.7% American Indian, 3.5% black or African American, 1.2% Asian, 0.2% Pacific islander, 11.5% from other races, and 4.2% from two or more races. Those of Hispanic or Latino origin made up 34.5% of the population. In terms of ancestry, 13.4% were German, 8.1% were English, 8.0% were Irish, and 4.4% were American.

Of the 24,464 households, 33.3% had children under the age of 18 living with them, 50.2% were married couples living together, 12.7% had a female householder with no husband present, 32.0% were non-families, and 27.1% of all households were made up of individuals. The average household size was 2.51 and the average family size was 3.05. The median age was 36.5 years.

The median income for a household in the county was $39,615 and the median income for a family was $46,210. Males had a median income of $32,939 versus $25,965 for females. The per capita income for the county was $19,255. About 15.2% of families and 20.0% of the population were below the poverty line, including 28.0% of those under age 18 and 13.5% of those age 65 or over.




Census-designated places

Other communities

Other places


School districts in the county include:

  • Alamogordo Public Schools
  • Cloudcroft Municipal Schools
  • Gadsden Independent Schools
  • Tularosa Municipal Schools

While the southeast portion of the county is in the Alamogordo district, that district contracts education of residents there to the Dell City Independent School District of Dell City, Texas, due to the distances involved, as the mileage to Alamogordo from the former Cienega School was 100 miles (160 km) while the distance to Dell City is 20 miles (32 km).

Tribal schools affiliated with the Bureau of Indian Education (BIE):

  • Mescalero Apache Schools

State-operated schools:

  • New Mexico School for the Blind and Visually Impaired

Schools operated by foreign governments:

  • Deutsche Schule Alamogordo (closed)


  • New Mexico State University Alamogordo

Public libraries:

See also

Kids robot.svg In Spanish: Condado de Otero (Nuevo México) para niños

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