New Mexico Citizen Voting-age Population By County in 2021 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for New Mexico was 1,522,110 and represented 72.16% of the total New Mexico population.

Among all New Mexico counties, Bernalillo had the highest citizen voting-age population (495.38K), followed by Do�a Ana (147.46K), and Santa Fe (115.50K).

In terms of percentages, Mora had the highest percentage of its population being citizens of voting-age (87.94%), followed by Catron (85.75%), and Sierra (81.67%).

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 2021
New Mexico Citizen Voting-age Population By County in 2021
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County Citizen Voting-age Population % of County Population
Bernalillo 495380 73.40
Do�a Ana 147460 67.59
Santa Fe 115500 75.18
Sandoval 110775 75.19
San Juan 88390 71.91
Valencia 55240 72.69
McKinley 50925 69.81
Otero 47700 70.88
Chaves 44440 68.35
Eddy 42495 69.56
Lea 42005 57.74
Curry 33065 67.87
Rio Arriba 29845 73.97
Taos 27050 78.82
Grant 22160 78.64
San Miguel 21950 80.24
Cibola 20525 75.22
Lincoln 15960 79.46
Luna 15810 62.54
Los Alamos 14270 74.44
Roosevelt 13165 68.48
Socorro 12295 74.04
Torrance 11555 76.27
Colfax 9950 80.21
Sierra 9400 81.67
Quay 6595 76.02
Mora 3720 87.94
Guadalupe 3560 79.73
Hidalgo 3140 74.50
Union 3140 76.21
Catron 3070 85.75
De Baca 1145 61.07
Harding 435 81.31