RANKING · 2020 CENSUS · 48 SHOWN OF 48

Highest Swiss population share, Montana counties · 2020

Montana counties ranked by the share of all residents who are Swiss ancestry (2020 American Community Survey). A concentration measure: Swiss residents as a percentage of total population. This list covers the 48 counties in Montana that qualify, ranked against each other statewide. The median across all 48 is 0.5%.

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, MTMT7288.0%+7.3 pts

02Meagher County, MTMT2,1373.6%+2.6 pts

03Sheridan County, MTMT3,4361.4%+1.3 pts

04Broadwater County, MTMT8,4931.3%–

05Garfield County, MTMT1,1481.3%+0.8 pts

06Rosebud County, MTMT8,2531.0%+0.9 pts

07Sanders County, MTMT14,0620.9%0.0 pts

08Ravalli County, MTMT48,5820.9%−0.1 pts

09Lincoln County, MTMT22,3280.9%+0.3 pts

10Sweet Grass County, MTMT3,7620.8%+0.1 pts

11McCone County, MTMT1,7200.8%−0.6 pts

12Gallatin County, MTMT128,7400.8%0.0 pts

13Park County, MTMT18,2140.7%−0.8 pts

14Madison County, MTMT10,0260.7%−0.7 pts

15Jefferson County, MTMT13,3290.7%−0.5 pts

16Pondera County, MTMT6,0720.7%+0.2 pts

17Custer County, MTMT12,0340.7%0.0 pts

18Stillwater County, MTMT9,4450.6%+0.2 pts

19Flathead County, MTMT115,4290.6%−0.3 pts

20Dawson County, MTMT8,6920.6%+0.3 pts

21Teton County, MTMT6,4960.6%−1.7 pts

22Missoula County, MTMT123,5130.5%−0.2 pts

23Beaverhead County, MTMT10,0430.5%−1.3 pts

24Carbon County, MTMT11,4660.5%−0.4 pts

25Granite County, MTMT3,6580.5%+0.2 pts

26Musselshell County, MTMT5,5820.4%−0.1 pts

27Lewis and Clark County, MTMT75,3310.4%−0.1 pts

28Fergus County, MTMT11,8250.4%+0.1 pts

29Cascade County, MTMT85,0290.4%−0.2 pts

30Lake County, MTMT33,3920.4%−0.4 pts

31Silver Bow County, MTMT36,1180.3%+0.1 pts

32Yellowstone County, MTMT172,6920.3%−0.2 pts

33Judith Basin County, MTMT2,1620.3%−0.1 pts

34Big Horn County, MTMT12,7520.2%+0.1 pts

35Deer Lodge County, MTMT9,7090.2%0.0 pts

36Powell County, MTMT7,1570.2%0.0 pts

37Chouteau County, MTMT5,8650.2%−0.3 pts

38Powder River County, MTMT1,7810.2%−0.4 pts

39Roosevelt County, MTMT10,2420.1%+0.1 pts

40Wheatland County, MTMT2,1000.1%−1.2 pts

41Toole County, MTMT5,2110.1%−0.3 pts

42Hill County, MTMT16,1670.1%−0.4 pts

43Glacier County, MTMT13,4630.1%−0.1 pts

44Mineral County, MTMT5,1850.1%−0.7 pts

45Carter County, MTMT1,3830.1%−0.8 pts

46Blaine County, MTMT6,8600.1%0.0 pts

47Valley County, MTMT7,3850.1%−0.1 pts

48Richland County, MTMT11,3770.0%−0.8 pts

SHOWING 1–48 OF 48

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