List of New Mexico counties

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List of New Mexico counties:

1. Bernalillo County one of the 9 original counties formed in 1852.
2. Catron County formed in 1921 from part of Socorro County.
3. Chaves County formed in 1889 from part of Lincoln County.
4. Cibola County formed in 1981 from part of Valencia County.
5. Colfax County formed in 1869 from part of Mora County.
6. Curry County formed in 1909 from parts of Quay County and Roosevelt County.
7. De Baca County formed in 1917 from parts of Chaves County and Guadalupe County.
8. Dona Ana County one of the 9 original counties formed in 1852.
9. Eddy County formed in 1889 from part of Lincoln County.
10. Grant County formed in 1868 from part of Dona Ana County.
11. Guadalupe County formed in 1891 from part of San Miguel County.
12. Harding County formed in 1921 from parts of Mora County and Union County.
13. Hidalgo County formed in 1919 from part of Grant County.
14. Lea County formed in 1917 from parts of Chaves County and Eddy County.
15. Lincoln County formed in 1869 from part of Socorro County.
16. Los Alamos County formed in 1949 from parts of Sandoval County and Santa Fe County.
17. Luna County formed in 1901 from parts of Dona Ana County and Grant County.
18. McKinley County formed in 1899 from part of Bernalillo County.
19. Mora County formed in 1860 from part of Taos County.
20. Otero County formed in 1899 from parts of Dona Ana County and Lincoln County.
21. Quay County formed in 1903 from part of Guadalupe County.
22. Rio Arriba County one of the 9 original counties formed in 1852.
23. Roosevelt County formed in 1903 from parts of Chaves County and Guadalupe County.
24. San Juan County formed in 1887 from part of Rio Arriba County.
25. San Miguel County one of the 9 original counties formed in 1852.
26. Sandoval County formed in 1903 from part of Bernalillo County.
27. Santa Fe County one of the 9 original counties formed in 1852.
28. Sierra County formed in 1884 from parts of Dona Ana County and Socorro County.
29. Socorro County one of the 9 original counties formed in 1852.
30. Taos County one of the 9 original counties formed in 1852.
31. Torrance County formed in 1903 from parts of Bernalillo County and Valencia County.
32. Union County formed in 1893 from parts of Colfax County , Mora County and San Miguel County.
33. Valencia County one of the 9 original counties formed in 1852.

Defunct county

1. Santa Ana County one of the 9 original counties formed in 1852. Annexed in 1876 to Bernalillo County.

Sources: http://www.vivanewmexico.com/ghosts/hscounty.html
http://www.rootsweb.com/%7Enmguadal/Histmaps.html

External link

• [Brief County Histories]