New Mexico Citizen Voting-age Population By County in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen voting-age population for New Mexico was 1,511,405 and represented 72.07% of the total New Mexico population.

Among all New Mexico counties, Bernalillo had the highest citizen voting-age population (498.25K), followed by Do�a Ana (145.21K), and Santa Fe (112.70K).

In terms of percentages, Mora had the highest percentage of its population being citizens of voting-age (86.44%), followed by Catron (84.77%), and Sierra (81.94%).

The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.

You can see similar information for other states and by state for the United States.

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New Mexico Citizen Voting-age Population By County in 2020
New Mexico Citizen Voting-age Population By County in 2020
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County Citizen Voting-age Population % of County Population
Bernalillo 498250 73.38
Do�a Ana 145210 66.70
Santa Fe 112700 74.97
Sandoval 108630 74.94
San Juan 90365 71.94
Valencia 55625 72.69
McKinley 50445 70.11
Otero 47690 71.39
Chaves 43860 67.57
Lea 41300 58.70
Eddy 40320 69.68
Curry 33385 67.44
Rio Arriba 29045 74.55
Taos 26260 80.16
San Miguel 21915 79.56
Grant 21510 78.53
Cibola 19920 74.43
Lincoln 15395 78.39
Luna 15385 64.05
Los Alamos 14065 74.12
Roosevelt 12705 67.85
Socorro 12275 73.39
Torrance 11870 76.70
Colfax 9710 80.22
Sierra 9005 81.94
Quay 6295 76.17
Mora 3890 86.44
Guadalupe 3535 81.55
Union 3195 77.83
Hidalgo 3170 74.85
Catron 3005 84.77
De Baca 1140 57.14
Harding 345 80.23