Arizona Ext County (1860 - Present)
Bernalillo County (1846 - Present)
Catron County (1921 - Present)
Chaves County (1891 - Present)
Cibola County (1981 - Present)
Colfax County (1869 - Present)
Curry County (1909 - Present)
De Baca County (1917 - Present)
Doña Ana County (1852 - Present)
Eddy County (1891 - Present)
Grant County (1868 - Present)
Harding County (1921 - Present)
Hidalgo County (1920 - Present)
Lea County (1917 - Present)
Leonard Wood County (1903 - Present)
Lincoln County (1869 - Present)
Los Alamos County (1949 - Present)
Luna County (1901 - Present)
Mckinley County (1901 - Present)
Mora County (1860 - Present)
Otero County (1899 - Present)
Quay County (1903 - Present)
Rio Arriba County (1846 - Present)
Rio Grande County Proposed (1927 - 1927)
Roosevelt County (1903 - Present)
San Juan County (1887 - Present)
San Miguel County (1846 - Present)
Sandoval County (1903 - Present)
Santa Fe County (1846 - Present)
Sierra County (1884 - Present)
Socorro County (1852 - Present)
South Valley County Proposed (1995 - 1995)
Taos County (1846 - Present)
Torrance County (1905 - Present)
Union County (1894 - Present)
Valencia County (1846 - Present)