RANKING · 2010 CENSUS · 23 SHOWN OF 23

Highest Irish population share, Wyoming counties · 2010

Wyoming counties ranked by the share of all residents who are Irish ancestry (2010 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. The median across all 23 is 15.3%.

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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 –

01Johnson County, WYWY8,90822.4%–

02Converse County, WYWY13,82419.8%–

03Weston County, WYWY6,84019.3%–

04Niobrara County, WYWY2,34117.7%–

05Platte County, WYWY8,63417.3%–

06Sheridan County, WYWY33,24116.3%–

07Campbell County, WYWY48,14515.9%–

08Goshen County, WYWY12,64015.5%–

09Laramie County, WYWY102,93815.5%–

10Park County, WYWY31,17115.4%–

11Hot Springs County, WYWY4,60015.3%–

12Albany County, WYWY38,55815.3%–

13Natrona County, WYWY80,52615.2%–

14Crook County, WYWY7,85214.5%–

15Carbon County, WYWY14,01314.4%–

16Sweetwater County, WYWY41,26713.0%–

17Teton County, WYWY23,33313.0%–

18Fremont County, WYWY39,46412.2%–

19Uinta County, WYWY20,72812.0%–

20Washakie County, WYWY7,59711.7%–

21Sublette County, WYWY8,92911.3%–

22Big Horn County, WYWY12,02410.4%–

23Lincoln County, WYWY21,1807.5%–

SHOWING 1–23 OF 23

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS