Ranking of New Mexico Counties By Percentage of American Indian and Alaska Native Alone Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the New Mexico American Indian and Alaska Native Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 33.39%. Among all New Mexico counties, Catron County had the highest percentage of its American Indian and Alaska Native Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (100.00%), followed by Hidalgo County (61.11%), and Union County (59.68%).

The chart below shows the top 10 New Mexico counties, and the table below shows the ranking of all New Mexico counties.

You can see similar information for other educational attainments, and for other races and ethnicities.

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

Ranking of New Mexico Counties By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Catron County
Hidalgo County
Union County
Guadalupe County
Taos County
Socorro County
San Miguel County
Sierra County
McKinley County
Rio Arriba County
Ranking of New Mexico Counties By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Catron County 100.00
2 Hidalgo County 61.11
3 Union County 59.68
4 Guadalupe County 50.38
5 Taos County 44.37
6 Socorro County 42.23
7 San Miguel County 39.81
8 Sierra County 39.67
9 McKinley County 38.65
10 Rio Arriba County 37.28
11 Chaves County 37.26
12 Cibola County 35.86
13 Sandoval County 35.69
14 Otero County 34.96
15 San Juan County 34.02
16 Santa Fe County 31.75
17 Lea County 29.60
18 Valencia County 28.44
19 Lincoln County 25.44
20 Curry County 23.78
21 Bernalillo County 23.45
22 Quay County 19.49
23 Eddy County 16.70
24 Colfax County 16.67
25 Doña Ana County 14.04
26 Torrance County 12.38
27 Luna County 9.52
28 Los Alamos County 8.85
29 Grant County 8.65
30 Roosevelt County 8.05
31 Mora County 0.00