RANKING · 2010 CENSUS · 54 SHOWN OF 54

Largest Swiss population, Montana counties · 2010

Montana counties ranked by the number of residents who are Swiss ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 54 counties in Montana that qualify, ranked against each other statewide.

MontanaAll states All rankings

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 2000

01Flathead County, MTMT115,429863–

02Missoula County, MTMT123,513769–

03Gallatin County, MTMT128,740691–

04Yellowstone County, MTMT172,692688–

05Cascade County, MTMT85,029443–

06Ravalli County, MTMT48,582396–

07Lewis and Clark County, MTMT75,331296–

08Park County, MTMT18,214238–

09Lake County, MTMT33,392208–

10Beaverhead County, MTMT10,043166–

11Teton County, MTMT6,496136–

12Jefferson County, MTMT13,329131–

13Lincoln County, MTMT22,328108–

14Sanders County, MTMT14,062106–

15Madison County, MTMT10,026103–

16Hill County, MTMT16,16786–

17Carbon County, MTMT11,46685–

18Custer County, MTMT12,03480–

19Richland County, MTMT11,37780–

20Silver Bow County, MTMT36,11868–

21Stillwater County, MTMT9,44543–

22Fergus County, MTMT11,82534–

23Glacier County, MTMT13,46332–

24Mineral County, MTMT5,18532–

25Dawson County, MTMT8,69229–

26Wheatland County, MTMT2,10029–

27Pondera County, MTMT6,07228–

28Sweet Grass County, MTMT3,76228–

29Chouteau County, MTMT5,86526–

30McCone County, MTMT1,72023–

31Musselshell County, MTMT5,58222–

32Meagher County, MTMT2,13720–

33Deer Lodge County, MTMT9,70919–

34Phillips County, MTMT4,20319–

35Toole County, MTMT5,21119–

36Big Horn County, MTMT12,75217–

37Powell County, MTMT7,15716–

38Liberty County, MTMT1,95712–

39Carter County, MTMT1,38311–

40Valley County, MTMT7,38511–

41Wibaux County, MTMT88510–

42Powder River County, MTMT1,7819–

43Granite County, MTMT3,6588–

44Petroleum County, MTMT5488–

45Roosevelt County, MTMT10,2428–

46Garfield County, MTMT1,1487–

47Judith Basin County, MTMT2,1627–

48Fallon County, MTMT2,9596–

49Rosebud County, MTMT8,2536–

50Treasure County, MTMT7286–

51Blaine County, MTMT6,8605–

52Daniels County, MTMT1,6125–

53Prairie County, MTMT1,1123–

54Sheridan County, MTMT3,4363–

SHOWING 1–54 OF 54

Download CSV (full list, 54 rows)

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