New Mexico Citizen Population By County in 2023 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2023, the citizen population for New Mexico was 2,007,290 and represented 94.92% of the total New Mexico population.

Among all New Mexico counties, Bernalillo had the highest citizen population (639.58K), followed by Do�a Ana (205.01K), and Sandoval (147.88K).

In terms of percentages, De Baca had the highest percentage of its population being citizens (100.00%), followed by Mora (99.88%), and Quay (98.90%).

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

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

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New Mexico Citizen Population By County in 2023
New Mexico Citizen Population By County in 2023
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County Citizen Population % of County Population
Bernalillo 639575 94.84
Do�a Ana 205010 92.49
Sandoval 147880 97.59
Santa Fe 144435 93.08
San Juan 119110 98.29
Valencia 73970 95.59
McKinley 70210 98.65
Otero 64110 93.96
Lea 63055 86.19
Chaves 60735 94.24
Eddy 58550 95.80
Curry 45275 94.46
Rio Arriba 38495 95.84
Taos 33175 96.12
Grant 27290 97.97
Cibola 26690 98.63
San Miguel 26600 98.39
Luna 22960 90.32
Lincoln 19625 97.03
Los Alamos 18495 95.46
Roosevelt 18050 95.00
Socorro 15680 96.14
Torrance 14855 97.16
Colfax 12080 97.93
Sierra 10720 93.14
Quay 8520 98.90
Guadalupe 4195 95.78
Mora 4170 99.88
Union 3960 98.02
Hidalgo 3920 95.73
Catron 3595 97.56
De Baca 1580 100.00
Harding 725 96.67