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. The median across all 47 is 0.4%. Biggest climber in the top 100 since 2020: Toole County, MT, up 29 places to #12.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSWISS SHAREVS 2010

01Treasure County, MTMT7286.7%+6.0 pts

02▲2Broadwater County, MTMT8,4932.2%–

03▲13Pondera County, MTMT6,0721.7%+1.2 pts

04▼1Sheridan County, MTMT3,4361.6%+1.5 pts

05▲5Sweet Grass County, MTMT3,7621.5%+0.8 pts

06▼4Meagher County, MTMT2,1371.5%+0.5 pts

07▲2Lincoln County, MTMT22,3281.1%+0.5 pts

08Phillips County, MTMT4,2031.0%+0.6 pts

09Prairie County, MTMT1,1121.0%+0.7 pts

10▲11Teton County, MTMT6,4960.7%−1.6 pts

11▲1Gallatin County, MTMT128,7400.6%−0.2 pts

12▲29Toole County, MTMT5,2110.6%+0.2 pts

13▼6Sanders County, MTMT14,0620.5%−0.4 pts

14▲15Cascade County, MTMT85,0290.5%0.0 pts

15▲8Beaverhead County, MTMT10,0430.5%−1.3 pts

16▼3Park County, MTMT18,2140.5%−1.0 pts

17▲7Carbon County, MTMT11,4660.5%−0.4 pts

18▲10Fergus County, MTMT11,8250.5%+0.2 pts

19▼5Madison County, MTMT10,0260.5%−0.9 pts

20Daniels County, MTMT1,6120.5%+0.2 pts

21▼16Garfield County, MTMT1,1480.5%−0.1 pts

22▼5Custer County, MTMT12,0340.4%−0.2 pts

23▼5Stillwater County, MTMT9,4450.4%−0.1 pts

24▼16Ravalli County, MTMT48,5820.4%−0.6 pts

25▼3Missoula County, MTMT123,5130.4%−0.3 pts

26▲1Lewis and Clark County, MTMT75,3310.4%−0.1 pts

27▼7Dawson County, MTMT8,6920.4%0.0 pts

28▼9Flathead County, MTMT115,4290.3%−0.7 pts

29▲1Lake County, MTMT33,3920.3%−0.4 pts

30▲1Silver Bow County, MTMT36,1180.3%+0.1 pts

31▼16Jefferson County, MTMT13,3290.3%−0.9 pts

32Yellowstone County, MTMT172,6920.3%−0.2 pts

33▲9Hill County, MTMT16,1670.3%−0.3 pts

34Wibaux County, MTMT8850.3%−0.7 pts

35▲13Richland County, MTMT11,3770.2%−0.6 pts

36▼11Granite County, MTMT3,6580.2%0.0 pts

37▲1Powder River County, MTMT1,7810.2%−0.3 pts

38▼1Chouteau County, MTMT5,8650.2%−0.2 pts

39Roosevelt County, MTMT10,2420.2%+0.1 pts

40Liberty County, MTMT1,9570.2%−0.4 pts

41▼5Powell County, MTMT7,1570.1%−0.1 pts

42▲2Mineral County, MTMT5,1850.1%−0.7 pts

43▲4Valley County, MTMT7,3850.1%−0.1 pts

44▼38Rosebud County, MTMT8,2530.1%0.0 pts

45Fallon County, MTMT2,9590.1%−0.1 pts

46▼12Big Horn County, MTMT12,7520.1%−0.1 pts

47▼12Deer Lodge County, MTMT9,7090.0%−0.2 pts

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