RANKING · 2020 CENSUS · 56 SHOWN OF 56

Largest French population, Montana counties · 2020

Montana counties ranked by the number of residents who are French 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 56 counties in Montana that qualify, ranked against each other statewide.

French 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 POPULATIONVS 2010

01Yellowstone County, MTMT172,6924,570−12%

02Gallatin County, MTMT128,7404,457+15%

03Missoula County, MTMT123,5133,901−12%

04Flathead County, MTMT115,4293,741−3%

05Lewis and Clark County, MTMT75,3312,496−17%

06Cascade County, MTMT85,0292,469−17%

07Ravalli County, MTMT48,5821,656−20%

08Lake County, MTMT33,392910−21%

09Silver Bow County, MTMT36,118834−57%

10Lincoln County, MTMT22,328699−4%

11Madison County, MTMT10,026546+19%

12Park County, MTMT18,214530−32%

13Deer Lodge County, MTMT9,709505−8%

14Custer County, MTMT12,034459+21%

15Sanders County, MTMT14,062459−27%

16Jefferson County, MTMT13,329380−25%

17Beaverhead County, MTMT10,043343−41%

18Carbon County, MTMT11,466341+113%

19Hill County, MTMT16,167321−48%

20Mineral County, MTMT5,185283+73%

21Stillwater County, MTMT9,445279+6%

22Powell County, MTMT7,157261+17%

23Fergus County, MTMT11,825256−29%

24Broadwater County, MTMT8,493254+38%

25Richland County, MTMT11,377249−28%

26Dawson County, MTMT8,692227−58%

27Valley County, MTMT7,385191+24%

28Phillips County, MTMT4,203185−13%

29Musselshell County, MTMT5,582184+46%

30Glacier County, MTMT13,463147−48%

31Teton County, MTMT6,496143−32%

32Pondera County, MTMT6,072142−36%

33Roosevelt County, MTMT10,242131−64%

34Sweet Grass County, MTMT3,762131+58%

35Granite County, MTMT3,658126−41%

36Big Horn County, MTMT12,752122−33%

37Chouteau County, MTMT5,865118−62%

38Meagher County, MTMT2,137117+13%

39Rosebud County, MTMT8,253101−19%

40Blaine County, MTMT6,86091−43%

41Daniels County, MTMT1,61288−42%

42Liberty County, MTMT1,95773−27%

43Judith Basin County, MTMT2,16268+24%

44Sheridan County, MTMT3,43658+14%

45Toole County, MTMT5,21158−75%

46Garfield County, MTMT1,14849−21%

47Fallon County, MTMT2,95945−72%

48Powder River County, MTMT1,78144+0%

49Wibaux County, MTMT88544+38%

50Wheatland County, MTMT2,10040+135%

51Golden Valley County, MTMT84432−20%

52McCone County, MTMT1,72029−65%

53Carter County, MTMT1,38325−65%

54Prairie County, MTMT1,11225+56%

55Petroleum County, MTMT54819+171%

56Treasure County, MTMT7284−43%

SHOWING 1–56 OF 56

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