RANKING · 2020 CENSUS · 54 SHOWN OF 54

Largest French Canadian population, Montana counties · 2020

Montana counties ranked by the number of residents who are French Canadian ancestry, from the 2020 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.

French Canadian 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

RANKPLACESTATEPOPFRENCH CANADIAN POPULATIONVS 2010

01Yellowstone County, MTMT172,6921,222+23%

02Missoula County, MTMT123,513967−10%

03Gallatin County, MTMT128,740825−14%

04Cascade County, MTMT85,029742−17%

05Flathead County, MTMT115,429658−19%

06Lewis and Clark County, MTMT75,331444−29%

07Ravalli County, MTMT48,582398−21%

08Silver Bow County, MTMT36,118379−35%

09Lincoln County, MTMT22,328295−23%

10Richland County, MTMT11,377255+24%

11Hill County, MTMT16,167226+53%

12Jefferson County, MTMT13,329160−20%

13Park County, MTMT18,214154+45%

14Custer County, MTMT12,034146+25%

15Deer Lodge County, MTMT9,709139+62%

16Lake County, MTMT33,392138−59%

17Fergus County, MTMT11,82578−56%

18Big Horn County, MTMT12,75270+23%

19Mineral County, MTMT5,18565+132%

20Sanders County, MTMT14,06264−40%

21Roosevelt County, MTMT10,24260+131%

22Beaverhead County, MTMT10,04360−38%

23Chouteau County, MTMT5,86559+28%

24Rosebud County, MTMT8,25358+81%

25Pondera County, MTMT6,07249+40%

26Teton County, MTMT6,49647−6%

27Carbon County, MTMT11,46644−56%

28Powell County, MTMT7,15743−19%

29Phillips County, MTMT4,20340−13%

30Sweet Grass County, MTMT3,76237+517%

31Glacier County, MTMT13,46336+3%

32Valley County, MTMT7,38532−54%

33Stillwater County, MTMT9,44531−33%

34Dawson County, MTMT8,69230+131%

35Madison County, MTMT10,02630−70%

36Blaine County, MTMT6,86028−47%

37Daniels County, MTMT1,61226+767%

38Musselshell County, MTMT5,58226−49%

39Toole County, MTMT5,21122−87%

40Granite County, MTMT3,65822−58%

41Sheridan County, MTMT3,43618+50%

42Garfield County, MTMT1,14817+240%

43Prairie County, MTMT1,11214–

44Broadwater County, MTMT8,49310−85%

45Petroleum County, MTMT5488−20%

46Powder River County, MTMT1,7818–

47Judith Basin County, MTMT2,1626+50%

48Carter County, MTMT1,3835−71%

49Golden Valley County, MTMT8445−58%

50Wibaux County, MTMT8854−84%

51Meagher County, MTMT2,1373−25%

52Liberty County, MTMT1,9573−70%

53McCone County, MTMT1,7202−50%

54Treasure County, MTMT7282–

SHOWING 1–54 OF 54

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS