Lincoln County
Lincoln County New Mexico; Lincoln County was created in 1869 out of Socorro County. Carrizozo is the county seat.
Bernalillo County
Bernalillo County New Mexico Bernalillo County was created in 1852 as one of the original nine counties. Albuquerque is the county seat.
Socorro County
Socorro County Map; Socorro County was created in 1852 as one of the original nine counties. Socorro is the county seat.
Los Alamos County
Los Alamos County, New Mexico Los Alamos County was created in 1949 out of Sandoval and Santa Fe Counties. Los Alamos is the county seat.
Rio Arriba County
Rio Arriba County, New Mexico Rio Arriba County was created in 1852 as one of the original nine counties. Tierra Amarilla is the county seat.
Hidalgo County
Hidalgo County New Mexico Hidalgo County was created in 1920 out of Grant County. Lordsburg is the county seat.
Grant County
Grant County, New Mexico Grant County was created in 1868 out of Doña Ana County. Silver City is the county seat.
Catron County
Catron County, New Mexico Catron County was created in 1921 out of Socorro County. Reseve is the county seat.
Cibola County
Cibola County New Mexico 5 7 1979 1 Cibola County was created in 1981 out of Valencia County. Grants is the county seat.
McKinley County
McKinley County, New Mexico McKinley County was created in 1899 out of Bernalillo County. Gallup is the county seat.
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