Ranking of Wyoming 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 27.91K people in Wyoming with American ancestry (4.84% of Wyoming population). Among all Wyoming counties, Johnson County had the highest percentage of its population with American ancestry (7.63%), followed by Converse County (7.33%), and Sweetwater County (6.96%).

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 Wyoming.

Data Source: US Census Bureau.
Ranking of Wyoming Counties By Percentage of Population with American Ancestry in 2021
Johnson County
Converse County
Sweetwater County
Laramie County
Campbell County
Hot Springs County
Uinta County
Platte County
Park County
Albany County
Ranking of Wyoming Counties By Percentage of Population with American Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Johnson County 7.63
2 Converse County 7.33
3 Sweetwater County 6.96
4 Laramie County 5.99
5 Campbell County 5.72
6 Hot Springs County 5.71
7 Uinta County 5.13
8 Platte County 4.98
9 Park County 4.89
10 Albany County 4.41
11 Carbon County 4.21
12 Weston County 4.19
13 Washakie County 4.16
14 Goshen County 4.14
15 Teton County 4.01
16 Natrona County 3.91
17 Crook County 3.87
17 Sheridan County 3.87
18 Lincoln County 3.81
19 Niobrara County 3.74
20 Big Horn County 3.44
21 Fremont County 2.84
22 Sublette County 2.07