RANKING · 2020 CENSUS · 27 SHOWN OF 27

Highest Irish population share, Montana cities · 2020

Montana cities 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 27 cities in Montana that qualify, ranked against each other statewide. The median across all 27 is 14.4%.

Irish Americans: full group profile →

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SAME RANKING BYCounties States Metros

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 2010

01Butte-Silver Bow, MTMT35,46925.5%−6.7 pts

02Anaconda-Deer Lodge County, MTMT9,70922.1%−4.1 pts

03Helena Valley Southeast, MTMT9,10818.9%+0.1 pts

04Helena Valley Northwest, MTMT5,18318.7%+3.1 pts

05Helena, MTMT35,13818.3%−0.4 pts

06Lockwood, MTMT7,18117.5%+0.6 pts

07Polson, MTMT5,65317.2%+3.9 pts

08Livingston, MTMT9,29016.9%−0.1 pts

09Sidney, MTMT6,21716.4%+4.7 pts

10Missoula, MTMT78,90316.0%−1.2 pts

11Evergreen, MTMT9,61115.3%+1.0 pts

12Miles City, MTMT8,45015.1%−4.5 pts

13Columbia Falls, MTMT5,75315.0%+0.9 pts

14Bozeman, MTMT58,81414.4%−5.8 pts

15Kalispell, MTMT31,85113.7%−0.8 pts

16Belgrade, MTMT13,10713.6%−5.7 pts

17Lewistown, MTMT6,17913.4%−1.3 pts

18Orchard Homes, MTMT5,58812.6%−13.3 pts

19Great Falls, MTMT60,20812.2%−4.3 pts

20Helena Valley West Central, MTMT8,05612.0%−8.0 pts

21Bigfork, MTMT5,56512.0%−2.6 pts

22Billings, MTMT121,23911.7%−2.3 pts

23Laurel, MTMT7,20511.7%−2.1 pts

24Whitefish, MTMT9,35811.0%−4.9 pts

25Havre, MTMT9,26410.8%−4.4 pts

26Hamilton, MTMT5,4519.6%−5.5 pts

27Four Corners, MTMT5,7919.3%−4.6 pts

SHOWING 1–27 OF 27

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