RANKING · 2024 ACS · 47 SHOWN OF 47

Largest Swiss population, Montana counties

Montana counties ranked by the number of residents who are Swiss 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 47 counties in Montana that qualify, ranked against each other statewide.

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SAME RANKING BYCities 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

RANKPLACESTATEPOPSWISS POPULATIONVS 2010

01Gallatin County, MTMT128,740764+11%

02Missoula County, MTMT123,513479−38%

03Yellowstone County, MTMT172,692473−31%

04Cascade County, MTMT85,029445+0%

05Flathead County, MTMT115,429342−60%

06Lewis and Clark County, MTMT75,331275−7%

07Lincoln County, MTMT22,328223+106%

08Ravalli County, MTMT48,582192−52%

09Broadwater County, MTMT8,493168–

10Silver Bow County, MTMT36,118101+49%

11Pondera County, MTMT6,072100+257%

12Lake County, MTMT33,39294−55%

13Park County, MTMT18,21489−63%

14Sanders County, MTMT14,06273−31%

15Sheridan County, MTMT3,43659+1867%

16Fergus County, MTMT11,82556+65%

17Sweet Grass County, MTMT3,76256+100%

18Carbon County, MTMT11,46654−36%

19Custer County, MTMT12,03453−34%

20Beaverhead County, MTMT10,04349−70%

21Treasure County, MTMT72849+717%

22Madison County, MTMT10,02644−57%

23Phillips County, MTMT4,20343+126%

24Teton County, MTMT6,49642−69%

25Hill County, MTMT16,16741−52%

26Stillwater County, MTMT9,44538−12%

27Jefferson County, MTMT13,32936−73%

28Dawson County, MTMT8,69233+14%

29Toole County, MTMT5,21131+63%

30Meagher County, MTMT2,13730+50%

31Richland County, MTMT11,37727−66%

32Roosevelt County, MTMT10,24220+150%

33Chouteau County, MTMT5,86512−54%

34Prairie County, MTMT1,11212+300%

35Big Horn County, MTMT12,7528−53%

36Granite County, MTMT3,6588+0%

37Powell County, MTMT7,1578−50%

38Daniels County, MTMT1,6127+40%

39Rosebud County, MTMT8,2536+0%

40Valley County, MTMT7,3856−45%

41Garfield County, MTMT1,1485−29%

42Mineral County, MTMT5,1855−84%

43Powder River County, MTMT1,7814−56%

44Wibaux County, MTMT8853−70%

45Liberty County, MTMT1,9573−75%

46Fallon County, MTMT2,9592−67%

47Deer Lodge County, MTMT9,7091−95%

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