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 (2023 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.

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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 2000

01Treasure County, MTMT7288.0%–

02Meagher County, MTMT2,1373.6%–

03Sheridan County, MTMT3,4361.4%–

04Broadwater County, MTMT8,4931.3%–

05Garfield County, MTMT1,1481.3%–

06Rosebud County, MTMT8,2531.0%–

07Sanders County, MTMT14,0620.9%–

08Ravalli County, MTMT48,5820.9%–

09Lincoln County, MTMT22,3280.9%–

10Sweet Grass County, MTMT3,7620.8%–

11McCone County, MTMT1,7200.8%–

12Gallatin County, MTMT128,7400.8%–

13Park County, MTMT18,2140.7%–

14Madison County, MTMT10,0260.7%–

15Jefferson County, MTMT13,3290.7%–

16Pondera County, MTMT6,0720.7%–

17Custer County, MTMT12,0340.7%–

18Stillwater County, MTMT9,4450.6%–

19Flathead County, MTMT115,4290.6%–

20Dawson County, MTMT8,6920.6%–

21Teton County, MTMT6,4960.6%–

22Missoula County, MTMT123,5130.5%–

23Beaverhead County, MTMT10,0430.5%–

24Carbon County, MTMT11,4660.5%–

25Granite County, MTMT3,6580.5%–

26Musselshell County, MTMT5,5820.4%–

27Lewis and Clark County, MTMT75,3310.4%–

28Fergus County, MTMT11,8250.4%–

29Cascade County, MTMT85,0290.4%–

30Lake County, MTMT33,3920.4%–

31Silver Bow County, MTMT36,1180.3%–

32Yellowstone County, MTMT172,6920.3%–

33Judith Basin County, MTMT2,1620.3%–

34Big Horn County, MTMT12,7520.2%–

35Deer Lodge County, MTMT9,7090.2%–

36Powell County, MTMT7,1570.2%–

37Chouteau County, MTMT5,8650.2%–

38Powder River County, MTMT1,7810.2%–

39Roosevelt County, MTMT10,2420.1%–

40Wheatland County, MTMT2,1000.1%–

41Toole County, MTMT5,2110.1%–

42Hill County, MTMT16,1670.1%–

43Glacier County, MTMT13,4630.1%–

44Mineral County, MTMT5,1850.1%–

45Carter County, MTMT1,3830.1%–

46Blaine County, MTMT6,8600.1%–

47Valley County, MTMT7,3850.1%–

48Richland County, MTMT11,3770.0%–

SHOWING 1–48 OF 48

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES