Ranking of New Mexico Counties By Total Voting-age Population (18yrs and over) from Census 2020

Updated on August 22, 2023.

According to the data from the US 2020 Census, as at April 2020, among all the counties in New Mexico, Bernalillo County had the highest voting-age population (18 years and over) (533.77K), followed by Doña Ana County (167.14K), and Santa Fe County (127.85K).

The chart below shows the top 10 counties with high voting-age population, and the table below shows the ranking of all New Mexico counties based on voting-age population.

You can also see the ranking of counties by population for other states as well as for the whole United States.

Ranking of New Mexico Counties By Total Voting-age Population from Census 2020
Bernalillo
533.77K
Doña Ana
167.14K
Santa Fe
127.85K
Sandoval
113.96K
San Juan
89.66K
Valencia
58.14K
Lea
52.74K
McKinley
52.68K
Otero
52.22K
Chaves
47.97K
Ranking of New Mexico Counties By Total Voting-age Population from Census 2020
Rank
County
Voting-age Population
1 Bernalillo County 533,771
2 Doña Ana County 167,142
3 Santa Fe County 127,850
4 Sandoval County 113,956
5 San Juan County 89,664
6 Valencia County 58,139
7 Lea County 52,736
8 McKinley County 52,680
9 Otero County 52,218
10 Chaves County 47,971
11 Eddy County 45,921
12 Curry County 35,463
13 Rio Arriba County 31,787
14 Taos County 28,445
15 Grant County 22,831
16 San Miguel County 21,911
17 Cibola County 20,758
18 Luna County 19,118
19 Lincoln County 16,678
20 Los Alamos County 15,050
21 Roosevelt County 14,440
22 Socorro County 13,075
23 Torrance County 11,933
24 Colfax County 10,108
25 Sierra County 9,795
Items per page:
1 – 25 of 33