Ranking of Wyoming Counties By Percentage of Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 66.76K people in Wyoming with Irish ancestry (11.58% of Wyoming population). Among all Wyoming counties, Niobrara County had the highest percentage of its population with Irish ancestry (16.05%), followed by Hot Springs County (15.39%), and Teton County (15.35%).
The chart and table below shows the top 10 counties with high percentage of its population having Irish ancestry.
You can see similar information for other states and for other ancestry groups in Wyoming.
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Related Topics: Wyoming ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Wyoming Counties By Percentage of Population with Irish Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Niobrara County | 16.05 |
| 2 | Hot Springs County | 15.39 |
| 3 | Teton County | 15.35 |
| 4 | Carbon County | 14.10 |
| 5 | Natrona County | 13.42 |
| 6 | Goshen County | 13.38 |
| 7 | Laramie County | 12.94 |
| 8 | Albany County | 12.79 |
| 9 | Uinta County | 12.52 |
| 10 | Weston County | 12.51 |
| 11 | Sublette County | 12.27 |
| 12 | Crook County | 12.01 |
| 13 | Converse County | 11.98 |
| 14 | Fremont County | 11.33 |
| 15 | Park County | 10.24 |
| 16 | Campbell County | 10.18 |
| 17 | Big Horn County | 10.11 |
| 18 | Lincoln County | 8.84 |
| 19 | Washakie County | 8.41 |
| 20 | Platte County | 8.26 |
| 21 | Sheridan County | 7.95 |
| 22 | Sweetwater County | 7.92 |
| 23 | Johnson County | 6.82 |