Population of Counties in New Mexico (2019)

Name 2019 Population Growth Since 2010
Bernalillo County678,7012.22%
Doña Ana County217,5223.53%
Santa Fe County150,0563.82%
Sandoval County145,1799.63%
San Juan County125,043-3.96%
Valencia County76,456-0.44%
McKinley County72,2900.86%
Lea County69,6117.76%
Otero County66,7813.70%
Chaves County64,689-1.58%
Eddy County57,9007.42%
Curry County49,4370.97%
Rio Arriba County39,006-3.18%
Taos County32,835-0.19%
San Miguel County27,591-6.15%
Grant County27,346-6.93%
Cibola County26,746-2.10%
Luna County23,963-4.46%
Lincoln County19,556-4.39%
Los Alamos County19,1016.15%
Roosevelt County18,743-6.39%
Socorro County16,735-5.93%
Torrance County15,591-4.93%
Colfax County12,110-11.82%
Sierra County10,968-8.92%
Quay County8,253-8.97%
Mora County4,506-7.91%
Guadalupe County4,341-7.50%
Hidalgo County4,240-12.83%
Union County4,118-9.34%
Catron County3,578-4.59%
De Baca County1,781-12.22%
Harding County655-5.07%