Ranking of New Mexico Counties By Percentage of Population with American Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 85.40K people in New Mexico with American ancestry (4.05% of New Mexico population). Among all New Mexico counties, Socorro County had the highest percentage of its population with American ancestry (17.50%), followed by Harding County (10.69%), and Quay County (7.33%).

The chart and table below shows the top 10 counties with high percentage of its population having American ancestry.

You can see similar information for other states and for other ancestry groups in New Mexico.

Data Source: US Census Bureau.
Ranking of New Mexico Counties By Percentage of Population with American Ancestry in 2021
Socorro County
Harding County
Quay County
Chaves County
Sierra County
Lincoln County
Otero County
Lea County
Roosevelt County
Union County
Ranking of New Mexico Counties By Percentage of Population with American Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Socorro County 17.50
2 Harding County 10.69
3 Quay County 7.33
4 Chaves County 7.09
5 Sierra County 6.85
6 Lincoln County 6.43
7 Otero County 6.35
8 Lea County 6.07
9 Roosevelt County 5.91
10 Union County 5.73
11 Rio Arriba County 5.55
12 Torrance County 5.47
13 Eddy County 5.43
13 Valencia County 5.43
14 Mora County 4.94
15 Curry County 4.87
16 Hidalgo County 4.72
17 Santa Fe County 4.39
18 Los Alamos County 4.38
19 Sandoval County 4.32
20 Guadalupe County 4.26
21 Catron County 3.99
22 Luna County 3.83
23 Bernalillo County 3.55
24 Grant County 3.12
25 San Juan County 3.08
26 San Miguel County 2.97
27 Doña Ana County 2.50
28 Colfax County 2.03
29 Taos County 1.88
30 De Baca County 1.60
31 Cibola County 1.52
32 McKinley County 0.39