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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 (2020 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 11.4%.

Irish Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Highest Irish population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPIRISH SHAREVS 2010
01Niobrara County, WYWY2,34116.1%−1.6 pts
02Converse County, WYWY13,82415.7%−4.1 pts
03Teton County, WYWY23,33314.8%+1.8 pts
04Carbon County, WYWY14,01314.6%+0.2 pts
05Goshen County, WYWY12,64013.7%−1.8 pts
06Natrona County, WYWY80,52613.1%−2.1 pts
07Weston County, WYWY6,84012.7%−6.6 pts
08Laramie County, WYWY102,93812.4%−3.1 pts
09Crook County, WYWY7,85212.2%−2.3 pts
10Albany County, WYWY38,55812.1%−3.2 pts
11Sublette County, WYWY8,92911.9%+0.7 pts
12Hot Springs County, WYWY4,60011.4%−3.9 pts
13Big Horn County, WYWY12,02411.1%+0.8 pts
14Fremont County, WYWY39,46410.7%−1.6 pts
15Uinta County, WYWY20,72810.6%−1.4 pts
16Park County, WYWY31,17110.4%−5.0 pts
17Campbell County, WYWY48,14510.1%−5.8 pts
18Sweetwater County, WYWY41,2678.8%−4.2 pts
19Platte County, WYWY8,6348.7%−8.7 pts
20Washakie County, WYWY7,5978.4%−3.2 pts
21Sheridan County, WYWY33,2418.3%−8.1 pts
22Lincoln County, WYWY21,1808.2%+0.7 pts
23Johnson County, WYWY8,9087.7%−14.7 pts
SHOWING 1–23 OF 23

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