Rio Arriba County, New Mexico
|Rio Arriba County, New Mexico|
Location in the state of New Mexico
New Mexico's location in the U.S.
5,896 sq mi (15,271 km²)
5,858 sq mi (15,172 km²)
38 sq mi (98 km²), 0.65%
7/sq mi (2.6/km²)
According to the U.S. Census Bureau, the county has a total area of 5,896 square miles (15,271 km²), of which 5,858 square miles (15,171 km²) is land and 38 square miles (100 km²) (0.65%) is water. The highest point in the county is the summit of Truchas Peak at 3 993m (13,102').
Adjacent counties 
- Taos County, New Mexico - east
- Mora County, New Mexico - southeast
- Santa Fe County, New Mexico - south
- Los Alamos County, New Mexico - south
- Sandoval County, New Mexico - south
- San Juan County, New Mexico - west
- Archuleta County, Colorado - north
- Conejos County, Colorado - north
National protected areas 
- Carson National Forest (part)
- El Camino Real de Tierra Adentro National Historic Trail (part)
- Santa Fe National Forest (part)
- Valles Caldera National Preserve (part)
The county was one of nine originally created for the Territory of New Mexico in 1852. Originally extending west to the California line, it included the site of present day Las Vegas, Nevada. The county seat was initially sited at San Pedro de Chamita, and shortly afterwards at Los Luceros. In 1860 the seat was moved to Plaza del Alcalde. Since 1880 Tierra Amarilla has been the county seat.
The Battle of Embudo Pass took place in the southern part of the county during the American invasion in January 1847.
Whereas according to the 2010 U.S. Census Bureau:
- 51.6% White
- 0.5% Black
- 16.0% Native American
- 0.4% Asian
- 0.0% Native Hawaiian or Pacific Islander
- 3.3% Two or more races
- 28.2% Other races
- 71.3% Hispanic or Latino (of any race)
As of the census of 2000, there were 41,190 people, 15,044 households, and 10,816 families residing in the county. The population density was 7 people per square mile (3/km²). There were 18,016 housing units at an average density of 3 per square mile (1/km²). The racial makeup of the county was 56.62% White, 0.35% Black or African American, 13.88% Native American, 0.14% Asian, 0.11% Pacific Islander, 25.62% from other races, and 3.28% from two or more races. 72.89% of the population were Hispanic or Latino of any race.
There were 15,044 households out of which 36.90% had children under the age of 18 living with them, 48.80% were married couples living together, 15.90% had a female householder with no husband present, and 28.10% were non-families. 23.50% of all households were made up of individuals and 7.80% had someone living alone who was 65 years of age or older. The average household size was 2.71 and the average family size was 3.19.
In the county the population was spread out with 28.60% under the age of 18, 8.90% from 18 to 24, 28.80% from 25 to 44, 22.90% from 45 to 64, and 10.90% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 98.00 males. For every 100 females age 18 and over, there were 97.70 males.
The median income for a household in the county was $29,429, and the median income for a family was $32,901. Males had a median income of $26,897 versus $22,223 for females. The per capita income for the county was $14,263. About 16.60% of families and 20.30% of the population were below the poverty line, including 23.30% of those under age 18 and 22.90% of those age 65 or over.
Political history 
Since New Mexico's statehood to the early 1940s Rio Arriba county was a traditional republican county. That would later change as the county would change to a democratic stronghold from the 1960s to present day. The last Republican Presidential candidate to carry the county was Dwight D. Eisenhower in 1956. Since, at least, 1990 no Republican candidate for governor has won the county.
It is located in New Mexico's 3rd congressional district, which has a Cook Partisan Voting Index rating of D+7 and is represented by Democrat Ben R. Luján. In the New Mexico legislature it is entirely represented by Democratic politicians.
Current commissioners are:
|District||Name||Party||First elected||Term ends|
|District 1||Barney Trujillo||Democratic||2010||2014|
|District 2||Alfredo Montoya||Democratic||2006||2014|
|District 3||Danny Garcia||Democratic||2013||2017|
- Las Tablas
Census-designated places 
- Ohkay Owingeh (formerly known as San Juan Pueblo)
- San Juan
- Santa Clara Pueblo
Other localities 
- El Rito
- La Madera
- Tierra Amarilla
Points of interest 
- Puye Cliff Dwellings
- Ghost Ranch
- Echo amphitheatre
- Cumbres & Toltec Scenic Railroad
- Monastery of Christ in the Desert
- Project Gasbuggy
See also 
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- Twitchell, Ralph Emerson (1911-17). The leading facts of New Mexican history. Cedar Rapids, Iowa: Torch Press. pp. 538–539. OCLC 3828708.
- David Rumsey Historical Map Collection
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- Geographie Electorale
- David Leip's US Election Atlas
- New Mexico Legislature site
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Further reading 
- Dethier, D.P. (2004). Geologic map of the Puye quadrangle, Los Alamos, Rio Arriba, Sandoval, and Santa Fe Counties, New Mexico [Miscellaneous Field Studies Map MF-2419)]. Reston, Va.: U.S. Department of the Interior, U.S. Geological Survey.
- Maldonado, F. (2008). Geologic map of the Abiquiu quadrangle, Rio Arriba County, New Mexico [Scientific Investigations Map 2998]. Reston, Va.: U.S. Department of the Interior, U.S. Geological Survey.
||Archuleta County, Colorado and Conejos County, Colorado|
|San Juan County||Taos County|
|Santa Fe County; Los Alamos County; and Sandoval County||Mora County|