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Sierra County, New Mexico

Sierra County, New Mexico
Sierra County Courthouse in Truth or Consequences
Seal of Sierra County, New Mexico
Map of New Mexico highlighting Sierra County
Location in the state of New Mexico
Map of the United States highlighting New Mexico
New Mexico's location in the U.S.
Founded 1884
Seat Truth or Consequences
Largest city Truth or Consequences
 • Total 4,236 sq mi (10,971 km2)
 • Land 4,179 sq mi (10,824 km2)
 • Water 57 sq mi (148 km2), 1.4%
 • (2010) 11,988
 • Density 2.9/sq mi (1/km²)
Congressional district 2nd
Time zone Mountain: UTC-7/-6

Sierra County is a county located in the U.S. state of New Mexico. As of the 2010 census, the population was 11,988.[1] Its county seat is Truth or Consequences.[2]


  • Geography 1
    • Adjacent counties 1.1
    • National protected areas 1.2
    • Major highways 1.3
  • Demographics 2
    • 2010 2.1
    • 2000 2.2
  • Spaceport America 3
  • Communities 4
    • Cities 4.1
    • Village 4.2
    • Census-desigated places 4.3
    • Unincorporated communities 4.4
  • See also 5
  • References 6
  • External links 7


According to the U.S. Census Bureau, the county has a total area of 4,236 square miles (10,970 km2), of which 4,179 square miles (10,820 km2) is land and 57 square miles (150 km2) (1.4%) is water.[3]

Adjacent counties

National protected areas

Major highways



Whereas according to the 2010 U.S. Census Bureau:


As of the census[9] of 2000, there were 13,270 people, 6,113 households, and 3,618 families residing in the county. The population density was 3 people per square mile (1/km²). There were 8,727 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 86.97% White, 0.48% Black or African American, 1.48% Native American, 0.17% Asian, 0.08% Pacific Islander, 8.27% from other races, and 2.54% from two or more races. 26.28% of the population were Hispanic or Latino of any race.

There were 6,113 households out of which 20.40% had children under the age of 18 living with them, 47.50% were married couples living together, 8.60% had a female householder with no husband present, and 40.80% were non-families. 35.90% of all households were made up of individuals and 19.30% had someone living alone who was 65 years of age or older. The average household size was 2.13 and the average family size was 2.75.

In the county the population was spread out with 20.10% under the age of 18, 5.40% from 18 to 24, 19.50% from 25 to 44, 27.40% from 45 to 64, and 27.70% who were 65 years of age or older. The median age was 49 years. For every 100 females there were 100.00 males. For every 100 females age 18 and over, there were 97.70 males.

The median income for a household in the county was $24,152, and the median income for a family was $29,787. Males had a median income of $24,570 versus $19,839 for females. The per capita income for the county was $15,023. About 13.80% of families and 20.90% of the population were below the poverty line, including 31.50% of those under age 18 and 14.70% of those age 65 or over.

Spaceport America

Spaceport America is located in Sierra County, 45 miles (72 km) north of Las Cruces and 30 miles (48 km) east of Truth or Consequences. Sierra County voters approved the creation of a spaceport tax district in April 2008, freeing up funding for its construction.[10]




Census-desigated places

Unincorporated communities

See also


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved September 30, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011. 
  3. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved January 2, 2015. 
  4. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  5. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved January 2, 2015. 
  6. ^ "Historical Census Browser". University of Virginia Library. Retrieved January 2, 2015. 
  7. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved January 2, 2015. 
  8. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved January 2, 2015. 
  9. ^ "American FactFinder".  
  10. ^ Kaufman, Marc (May 10, 2008). "New Mexico Moves Ahead on Spaceport".  

External links

  • Sierra County Government
  • Sierra County Tourism / Visitor Information
  • Elephant Butte Chamber of Commerce
  • Events for Truth or Consequences, Elephant Butte, and all of Sierra County
  • Sierra County Resources

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