RANKING · 2020 CENSUS · 23 SHOWN OF 23

Highest Irish population share, Wyoming counties · 2020

Wyoming counties ranked by the share of all residents who are Irish ancestry (2023 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 23 counties in Wyoming that qualify, ranked against each other statewide.

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH SHAREVS 2000

01Niobrara County, WYWY2,34116.1%–

02Converse County, WYWY13,82415.7%–

03Teton County, WYWY23,33314.8%–

04Carbon County, WYWY14,01314.6%–

05Goshen County, WYWY12,64013.7%–

06Natrona County, WYWY80,52613.1%–

07Weston County, WYWY6,84012.7%–

08Laramie County, WYWY102,93812.4%–

09Crook County, WYWY7,85212.2%–

10Albany County, WYWY38,55812.1%–

11Sublette County, WYWY8,92911.9%–

12Hot Springs County, WYWY4,60011.4%–

13Big Horn County, WYWY12,02411.1%–

14Fremont County, WYWY39,46410.7%–

15Uinta County, WYWY20,72810.6%–

16Park County, WYWY31,17110.4%–

17Campbell County, WYWY48,14510.1%–

18Sweetwater County, WYWY41,2678.8%–

19Platte County, WYWY8,6348.7%–

20Washakie County, WYWY7,5978.4%–

21Sheridan County, WYWY33,2418.3%–

22Lincoln County, WYWY21,1808.2%–

23Johnson County, WYWY8,9087.7%–

SHOWING 1–23 OF 23

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES