RANKING · 2024 ACS · 47 SHOWN OF 47

Highest Swiss population share, Montana counties

Montana counties ranked by the share of all residents who are Swiss ancestry (2024 American Community Survey). A concentration measure: Swiss residents as a percentage of total population. This list covers the 47 counties in Montana that qualify, ranked against each other statewide.

Swiss Americans: full group profile →

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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 SHAREVS 2010

01Treasure County, MTMT7286.7%+6.0 pts

02Broadwater County, MTMT8,4932.2%–

03Pondera County, MTMT6,0721.7%+1.2 pts

04Sheridan County, MTMT3,4361.6%+1.5 pts

05Sweet Grass County, MTMT3,7621.5%+0.8 pts

06Meagher County, MTMT2,1371.5%+0.5 pts

07Lincoln County, MTMT22,3281.1%+0.5 pts

08Phillips County, MTMT4,2031.0%+0.6 pts

09Prairie County, MTMT1,1121.0%+0.7 pts

10Teton County, MTMT6,4960.7%−1.6 pts

11Gallatin County, MTMT128,7400.6%−0.2 pts

12Toole County, MTMT5,2110.6%+0.2 pts

13Sanders County, MTMT14,0620.5%−0.4 pts

14Cascade County, MTMT85,0290.5%−0.0 pts

15Beaverhead County, MTMT10,0430.5%−1.3 pts

16Park County, MTMT18,2140.5%−1.0 pts

17Carbon County, MTMT11,4660.5%−0.4 pts

18Fergus County, MTMT11,8250.5%+0.2 pts

19Madison County, MTMT10,0260.5%−0.9 pts

20Daniels County, MTMT1,6120.5%+0.2 pts

21Garfield County, MTMT1,1480.5%−0.1 pts

22Custer County, MTMT12,0340.4%−0.2 pts

23Stillwater County, MTMT9,4450.4%−0.1 pts

24Ravalli County, MTMT48,5820.4%−0.6 pts

25Missoula County, MTMT123,5130.4%−0.3 pts

26Lewis and Clark County, MTMT75,3310.4%−0.1 pts

27Dawson County, MTMT8,6920.4%+0.0 pts

28Flathead County, MTMT115,4290.3%−0.7 pts

29Lake County, MTMT33,3920.3%−0.4 pts

30Silver Bow County, MTMT36,1180.3%+0.1 pts

31Jefferson County, MTMT13,3290.3%−0.9 pts

32Yellowstone County, MTMT172,6920.3%−0.2 pts

33Hill County, MTMT16,1670.3%−0.3 pts

34Wibaux County, MTMT8850.3%−0.7 pts

35Richland County, MTMT11,3770.2%−0.6 pts

36Granite County, MTMT3,6580.2%−0.0 pts

37Powder River County, MTMT1,7810.2%−0.3 pts

38Chouteau County, MTMT5,8650.2%−0.2 pts

39Roosevelt County, MTMT10,2420.2%+0.1 pts

40Liberty County, MTMT1,9570.2%−0.4 pts

41Powell County, MTMT7,1570.1%−0.1 pts

42Mineral County, MTMT5,1850.1%−0.7 pts

43Valley County, MTMT7,3850.1%−0.1 pts

44Rosebud County, MTMT8,2530.1%+0.0 pts

45Fallon County, MTMT2,9590.1%−0.1 pts

46Big Horn County, MTMT12,7520.1%−0.1 pts

47Deer Lodge County, MTMT9,7090.0%−0.2 pts

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES