Ranking of Wyoming Counties By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Wyoming (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 28.44%. Among all Wyoming counties, Carbon County had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (37.74%), followed by Weston County (37.33%), and Platte County (36.75%).

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.

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

Ranking of Wyoming Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Carbon County
Weston County
Platte County
Uinta County
Campbell County
Converse County
Niobrara County
Lincoln County
Sweetwater County
Sublette County
Ranking of Wyoming Counties By Percentage of 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 Carbon County 37.74
2 Weston County 37.33
3 Platte County 36.75
4 Uinta County 36.42
5 Campbell County 35.10
6 Converse County 34.99
7 Niobrara County 34.27
8 Lincoln County 32.70
9 Sweetwater County 32.60
10 Sublette County 32.27
11 Fremont County 30.78
12 Crook County 29.36
13 Goshen County 28.91
14 Sheridan County 28.79
15 Natrona County 28.45
16 Big Horn County 27.47
17 Hot Springs County 26.17
18 Park County 25.88
19 Washakie County 25.65
20 Laramie County 24.95
21 Johnson County 24.90
22 Teton County 16.90
23 Albany County 14.41