Ranking of Wyoming Counties By Percentage of American Indian and Alaska Native 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 Wyoming American Indian and Alaska Native Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 12.72%. Among all Wyoming counties, Park County had the highest percentage of its American Indian and Alaska Native Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (53.72%), followed by Johnson County (41.76%), and Niobrara County (41.18%).

The chart below shows the top 10 Wyoming counties, and the table below shows the ranking of all Wyoming 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 Wyoming Counties By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Park County
Johnson County
Niobrara County
Crook County
Platte County
Big Horn County
Uinta County
Goshen County
Fremont County
Natrona County
Ranking of Wyoming Counties By Percentage of American Indian and Alaska Native 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 Park County 53.72
2 Johnson County 41.76
3 Niobrara County 41.18
4 Crook County 38.46
5 Platte County 33.33
6 Big Horn County 28.57
7 Uinta County 26.92
8 Goshen County 14.29
9 Fremont County 13.30
10 Natrona County 12.40
11 Albany County 11.71
12 Laramie County 10.60
13 Sweetwater County 4.34
14 Converse County 4.00
15 Sheridan County 2.70
15 Weston County 2.70
16 Campbell County 1.15
17 Carbon County 0.00
17 Hot Springs County 0.00
17 Lincoln County 0.00
17 Sublette County 0.00
17 Teton County 0.00
17 Washakie County 0.00