Ranking of New Mexico Counties By Percentage of White Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma 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 White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 10.57%. Among all New Mexico counties, Luna County had the highest percentage of its White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (26.81%), followed by Lea County (21.27%), and Chaves County (19.12%).

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 White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Luna County
Lea County
Chaves County
Cibola County
Hidalgo County
Doña Ana County
Guadalupe County
Eddy County
Quay County
Union County
Ranking of New Mexico Counties By Percentage of White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Luna County 26.81
2 Lea County 21.27
3 Chaves County 19.12
4 Cibola County 17.70
5 Hidalgo County 16.70
6 Doña Ana County 16.23
7 Guadalupe County 15.98
8 Eddy County 15.16
9 Quay County 14.40
10 Union County 14.01
11 Valencia County 13.52
12 San Miguel County 13.00
13 Rio Arriba County 12.51
14 Roosevelt County 12.06
15 Grant County 11.70
16 Otero County 11.41
17 Curry County 11.29
18 Torrance County 11.02
19 Socorro County 10.69
20 San Juan County 10.38
21 Harding County 9.65
22 Sierra County 8.84
23 De Baca County 8.82
24 Lincoln County 8.48
25 Colfax County 8.18
26 McKinley County 7.78
27 Santa Fe County 7.64
28 Bernalillo County 7.53
29 Taos County 6.98
30 Sandoval County 6.09
31 Mora County 5.95
32 Catron County 5.73
33 Los Alamos County 1.39