|
|
|
|
County |
2000
Population |
Square
Miles |
County Seat |
Founded |
|
Bernalillo
County |
556,678
|
1,166
|
Albuquerque
|
1852
|
|
Catron County
|
3,543
|
6,928
|
Reserve
|
1921
|
|
Chaves County
|
61,382
|
6,071
|
Roswell
|
1889
|
|
Cibola County
|
25,595
|
4,540
|
Grants
|
1981
|
|
Colfax County
|
14,189
|
3,757
|
Raton
|
1869
|
|
Curry County
|
45,044
|
1,406
|
Clovis
|
1909
|
|
De Baca County
|
2,240
|
2,325
|
Fort Sumner
|
1917
|
|
Dona Ana
County |
174,682
|
3,807
|
Las Cruces
|
1852
|
|
Eddy County
|
51,658
|
4,182
|
Carlsbad
|
1887
|
|
Grant County
|
31,002
|
3,966
|
Silver City
|
1868
|
|
Guadalupe
County |
4,680
|
3,031
|
Santa Rosa
|
1891
|
|
Harding County
|
810 |
2,126
|
Mosquero
|
1921
|
|
Hidalgo County
|
5,932
|
3,446
|
Lordsburg
|
1920
|
|
Lea County
|
55,511
|
4,393
|
Lovington
|
1917
|
|
Lincoln County
|
19,411
|
4,831
|
Carrizozo
|
1869
|
|
Los Alamos
County |
18,343
|
109 |
Los Alamos
|
1949
|
|
Luna County
|
25,016
|
2,965
|
Deming
|
1901
|
|
McKinley
County |
74,798
|
5,449
|
Gallup
|
1899
|
|
Mora County
|
5,180
|
1,931
|
Mora
|
1859
|
|
Otero County
|
62,298
|
6,627
|
Alamogordo
|
1899
|
|
Quay County
|
10,155
|
2,875
|
Tucumcari
|
1903
|
|
Rio Arriba
County |
41,190
|
5,858
|
Tierra Amarilla
|
1852
|
|
Roosevelt
County |
18,018
|
2,449
|
Portales
|
1903
|
|
San Juan
County |
113,801
|
5,514
|
Aztec
|
1887
|
|
San Miguel
County |
30,126
|
4,717
|
Las Vegas
|
1852
|
|
Sandoval
County |
89,908
|
3,710
|
Bernalillo
|
1903
|
|
Santa Fe
County |
129,292
|
1,909
|
Santa Fe
|
1852
|
|
Sierra County
|
13,270
|
4,180
|
Truth Or
Consequences |
1884
|
|
Socorro County
|
18,078
|
6,647
|
Socorro
|
1852
|
|
Taos County
|
29,979
|
2,203
|
Taos
|
1852
|
|
Torrance
County |
16,911
|
3,345
|
Estancia
|
1903
|
|
Union County
|
4,174
|
3,830
|
Clayton
|
1903
|
|
Valencia
County |
66,152
|
1,068
|
Los Lunas
|
1852
|
|