This is a list of the thirty-three counties in the U.S. state of New Mexico. A county is a Land area of Regional Government within a larger State. The United States of America —commonly referred to as the A US state is any one of the fifty subnational entities of the United States of America that share Sovereignty with the federal government New Mexico ( is a state located in the southwestern region of the United States of America. 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. Santa Ana County was one of the seven original partidos created in New Mexico under Mexican rule Bernalillo County is the most populated county in the US state of New Mexico.
The Federal Information Processing Standard (FIPS) code, which is used by the United States government to uniquely identify states and counties, is provided with each entry. Federal Information Processing Standards ( FIPS) are publicly announced standards developed by the United States Federal government for use by all non-military [1] New Mexico's code is 35, which when combined with any county code would be written as 35XXX. The FIPS code for each county links to census data for that county.
Contents |
| County | FIPS Code [2] |
County Seat [3] |
Created [3] |
Formed from [4] |
Etymology | Population [3][5] |
Area [3][5] |
Map |
| Bernalillo County | 001 | Albuquerque | 1852 | One of the nine original counties. A county seat is a term for an Administrative center for a County, primarily used in the United States. Bernalillo County is the most populated county in the US state of New Mexico. | - | 556,678 | 3,020 km² (1,166 mi²) |
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| Catron County | 003 | Reserve | 1921 | Part of Socorro County. Square Kilometre ( US spelling square kilometer) symbol km2, is a decimal multiple of the SI unit of The square mile is an imperial and US unit of Area equal the area of a square of one statute mile. Catron County is a County located in the US state of New Mexico. Reserve is a village in Catron County, New Mexico, United States. | - | 3,543 | 6,928 sq mi (17,943 km²) |
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| Chaves County | 005 | Roswell | 1889 | Part of Lincoln County. Chaves County is a County located in the US state of New Mexico. Roswell is a city in and the County seat of Chaves County in the southeastern quarter of the state of New Mexico, United States. | - | 61,382 | 6,071 sq mi (15,724 km²) |
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| Cibola County | 006 | Grants | 1981 | Part of Valencia County. Cibola County is a County located in the US state of New Mexico. Grants is a city in Cibola County, New Mexico, United States. | - | 25,595 | 4,540 sq mi (11,759 km²) |
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| Colfax County | 007 | Raton | 1869 | Part of Mora County. Colfax County is a County located in the US state of New Mexico. Raton is a city in Colfax County, New Mexico, United States. The population was 7282 at the 2000 census. | - | 14,189 | 3,757 sq mi (9,731 km²) |
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| Curry County | 009 | Clovis | 1909 | Parts of Quay County and Roosevelt County. Curry County is a County located in the US state of New Mexico. Clovis is a City in and the County seat of Curry County, New Mexico, United States | - | 45,044 | 1,406 sq mi (3,642 km²) |
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| De Baca County | 011 | Fort Sumner | 1917 | Parts of Chaves County and Guadalupe County. De Baca County is a County located in the US state of New Mexico. Fort Sumner is a village in De Baca County, New Mexico, United States. | - | 2,240 | 2,325 sq mi (6,022 km²) |
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| Doña Ana County | 013 | Las Cruces | 1852 | One of the nine original counties. Doña Ana County is a County located in the US state of New Mexico. Las Cruces is the second most populous city in New Mexico, the County seat of Doña Ana County, and a United States Metropolitan Statistical Area | - | 174,682 | 3,807 sq mi (9,860 km²) |
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| Eddy County | 015 | Carlsbad | 1887 | Part of Lincoln County. Eddy County is a County located in the US state of New Mexico. Carlsbad is a city in and the County seat of Eddy County, New Mexico, in the United States. | - | 51,658 | 4,182 sq mi (10,831 km²) |
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| Grant County | 017 | Silver City | 1868 | Part of Doña Ana County. Grant County is a County located in the US state of New Mexico. Silver City is a town in Grant County, New Mexico, in the United States. | - | 31,002 | 3,966 sq mi (10,272 km²) |
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| Guadalupe County | 019 | Santa Rosa | 1891 | Part of San Miguel County. Guadalupe County is a County located in the US state of New Mexico. Santa Rosa is a Town in and the County seat of Guadalupe County, New Mexico, United States. | - | 4,680 | 3,031 sq mi (7,850 km²) |
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| Harding County | 021 | Mosquero | 1921 | Parts of Mora County and Union County. Harding County is a County located in the US state of New Mexico. Mosquero is a village in Harding and San Miguel counties in the U | - | 810 | 2,126 sq mi (5,506 km²) |
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| Hidalgo County | 023 | Lordsburg | 1920 | Part of Grant County. Hidalgo County is the southernmost County of the US state of New Mexico. Lordsburg is a city in Hidalgo County, New Mexico, United States. | - | 5,932 | 3,446 sq mi (8,925 km²) |
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| Lea County | 025 | Lovington | 1917 | Parts of Chaves County and Eddy County. Lea County is a County located in the US state of New Mexico. Lovington is a city in and the County seat of Lea County, New Mexico, United States. | - | 55,511 | 4,393 sq mi (11,378 km²) |
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| Lincoln County | 027 | Carrizozo | 1869 | Part of Socorro County. Lincoln County is a County located in the US state of New Mexico. Carrizozo is a town in Lincoln County, New Mexico, in the United States. | - | 19,411 | 4,831 sq mi (12,512 km²) |
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| Los Alamos County | 028 | Los Alamos | 1949 | Parts of Sandoval County and Santa Fe County. Los Alamos County is a County located in the US state of New Mexico. Los Alamos (Los Álamos meaning "The Cottonwoods quot is a Townsite and Census-designated place (CDP in Los Alamos County, | - | 18,343 | 109 sq mi (282 km²) |
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| Luna County | 029 | Deming | 1901 | Parts of Doña Ana County and Grant County. Luna County is a County located in the US state of New Mexico. Deming is a city in Luna County, New Mexico, United States, located 60 miles (97 km west of Las Cruces. | - | 25,016 | 2,965 sq mi (7,679 km²) |
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| McKinley County | 031 | Gallup | 1899 | Part of Bernalillo County. McKinley County is a County located in the US state of New Mexico. Gallup (Naʼnízhoozhí is a city in McKinley County, New Mexico, United States. | - | 74,798 | 5,449 sq mi (14,113 km²) |
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| Mora County | 033 | Mora | 1859 | Part of Taos County. Mora County is a County located in the US state of New Mexico. Mora or Santa Gertrudis de lo de Mora is an unincorporated community in and the County seat of Mora County, New Mexico, United | - | 5,180 | 1,931 sq mi (5,001 km²) |
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| Otero County | 035 | Alamogordo | 1899 | Parts of Doña Ana County and Lincoln County. Otero County is a County located in the US state of New Mexico. Alamogordo is a city in Otero County, New Mexico, United States of America. | - | 62,298 | 6,627 sq mi (17,164 km²) |
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| Quay County | 037 | Tucumcari | 1903 | Part of Guadalupe County. Quay County (pronounced "kway" is a County located in the U This article is about the city in New Mexico USA For other uses see Tucumcari (disambiguation. | - | 10,155 | 2,855 sq mi (7,394 km²) |
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| Rio Arriba County | 039 | Tierra Amarilla | 1852 | One of the nine original counties. Rio Arriba County is a County located in the US state of New Mexico. Tierra Amarilla is a small unincorporated town in the Carson National Forest in the northern part of the U | - | 41,190 | 5,858 sq mi (15,172 km²) |
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| Roosevelt County | 041 | Portales | 1903 | Parts of Chaves County and Guadalupe County. Roosevelt County is a County located in the US state of New Mexico. Portales is a city in and the County seat of Roosevelt County, New Mexico, United States. | - | 18,018 | 2,449 sq mi (6,343 km²) |
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| Sandoval County | 043 | Bernalillo | 1903 | Part of Bernalillo County. Sandoval County is a County located in the US state of New Mexico. Bernalillo is a town in Sandoval County, New Mexico, in the United States. | - | 89,908 | 3,710 sq mi (9,609 km²) |
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| San Juan County | 045 | Aztec | 1887 | Part of Rio Arriba County. San Juan County is a county located in the US state of New Mexico. Aztec ( Kinteel) is a city in San Juan County, New Mexico, United States. | - | 113,801 | 5,514 sq mi (14,281 km²) |
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| San Miguel County | 047 | Las Vegas | 1852 | One of the nine original counties. San Miguel County is a County located in the US state of New Mexico. Las Vegas is a city in San Miguel County, New Mexico, United States. | - | 30,126 | 4,717 sq mi (12,217 km²) |
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| Santa Fe County | 049 | Santa Fe | 1852 | One of the nine original counties. Santa Fe County is a County located in the US state of New Mexico. Santa Fe ( Navajo: Yootó is the Capital of the state of New Mexico. | - | 129,292 | 1,909 sq mi (4,944 km²) |
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| Sierra County | 051 | Truth or Consequences | 1884 | Parts of Doña Ana County and Socorro County. Sierra County is a County located in the US state of New Mexico. Truth or Consequences is a spa city in and the County seat of Sierra County, New Mexico, United States. | - | 13,270 | 4,180 sq mi (10,826 km²) |
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| Socorro County | 053 | Socorro | 1852 | One of the nine original counties. Socorro County is a County located in the US state of New Mexico, United States. "Socorro" redirects here For other uses see Socorro (disambiguation. | - | 18,078 | 6,647 sq mi (17,216 km²) |
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| Taos County | 055 | Taos | 1852 | One of the nine original counties. Taos County is a County located in the US state of New Mexico. Taos (ˈtaʊs is a town in Taos County in the north-central region of New Mexico. | - | 29,979 | 2,203 sq mi (5,706 km²) |
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| Torrance County | 057 | Estancia | 1903 | Parts of Bernalillo County and Valencia County. Torrance County is a County located in the US state of New Mexico. Estancia is a town in Torrance County, New Mexico, in the United States. | - | 16,911 | 3,345 sq mi (8,664 km²) |
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| Union County | 059 | Clayton | 1893 | Parts of Colfax County, Mora County and San Miguel County. Union County is a County located in the US state of New Mexico. Clayton is a Town in Union County, New Mexico, United States. | - | 4,174 | 3,830 sq mi (9,920 km²) |
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| Valencia County | 061 | Los Lunas | 1852 | One of the nine original counties. Valencia County is a County located in the US state of New Mexico. Los Lunas is a village in Valencia County, New Mexico, in the United States. | - | 66,152 | 1,068 sq mi (2,766 km²) |