Ranking of Wyoming Counties By 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. Among all Wyoming counties, Laramie County had the highest population with Irish ancestry (12.93K), followed by Natrona County (10.66K), and Albany County (4.77K).

The chart and table below shows the top 10 counties with high number of people with Irish 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 Population with Irish Ancestry in 2021
Laramie County
Natrona County
Albany County
Campbell County
Fremont County
Teton County
Sweetwater County
Park County
Uinta County
Sheridan County
Ranking of Wyoming Counties By Population with Irish Ancestry in 2021
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Rank County Population
1 Laramie County 12929
2 Natrona County 10655
3 Albany County 4773
4 Campbell County 4760
5 Fremont County 4468
6 Teton County 3579
7 Sweetwater County 3362
8 Park County 3038
9 Uinta County 2569
10 Sheridan County 2449
11 Carbon County 2074
12 Lincoln County 1719
13 Goshen County 1691
14 Converse County 1642
15 Big Horn County 1180
16 Sublette County 1083
17 Crook County 863
18 Weston County 862
19 Hot Springs County 719
20 Platte County 711
21 Washakie County 653
22 Johnson County 577
23 Niobrara County 399