RANKING · 2024 ACS · 27 SHOWN OF 27

Largest Irish population, Montana cities

Montana cities ranked by the number of residents who are Irish ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 27 cities in Montana that qualify, ranked against each other statewide. The median across all 27 is 1,039. Biggest climber in the top 100 since 2020: Bigfork, MT, up 8 places to #17.

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MontanaAll statesPop > 5KAll rankings

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 POPULATIONVS 2010

01Billings, MTMT121,23915,922+12%

02Missoula, MTMT78,90312,207+8%

03Butte-Silver Bow, MTMT35,4698,652−18%

04Great Falls, MTMT60,2087,895−17%

05Bozeman, MTMT58,8147,408+1%

06Helena, MTMT35,1385,931+15%

07Kalispell, MTMT31,8514,334+56%

08Anaconda-Deer Lodge County, MTMT9,7091,902−22%

09▲2Livingston, MTMT9,2901,795+49%

10▲4Belgrade, MTMT13,1071,685+20%

11▼2Helena Valley Southeast, MTMT9,1081,650+11%

12Evergreen, MTMT9,6111,463+37%

13Miles City, MTMT8,4501,069−34%

14▼4Lockwood, MTMT7,1811,039−7%

15▲3Whitefish, MTMT9,358960−5%

16▲1Helena Valley West Central, MTMT8,056954−42%

17▲8Bigfork, MTMT5,565914+42%

18▼2Sidney, MTMT6,217857+44%

19▲1Columbia Falls, MTMT5,753750+15%

20▲1Laurel, MTMT7,205720−21%

21▼6Havre, MTMT9,264655−53%

22▼3Polson, MTMT5,653632+7%

23Lewistown, MTMT6,179606−30%

24▲3Four Corners, MTMT5,791599+52%

25▼3Helena Valley Northwest, MTMT5,183599+18%

26▼2Orchard Homes, MTMT5,588438−73%

27▼1Hamilton, MTMT5,451337−49%

SHOWING 1–27 OF 27

Download CSV (full list, 27 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES