RANKING · 2020 CENSUS · 41 SHOWN OF 41

Largest Canadian population, Montana counties · 2020

Montana counties ranked by the number of residents who are 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 41 counties in Montana that qualify, ranked against each other statewide.

Canadian Americans: full group profile →

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

RANKPLACESTATEPOPCANADIAN POPULATIONVS 2010

01Yellowstone County, MTMT172,692572+44%

02Gallatin County, MTMT128,740305+76%

03Missoula County, MTMT123,513207−31%

04Cascade County, MTMT85,029196−29%

05Flathead County, MTMT115,429190−55%

06Lake County, MTMT33,392144+112%

07Silver Bow County, MTMT36,11889+48%

08Lewis and Clark County, MTMT75,33169−42%

09Phillips County, MTMT4,20357+338%

10Ravalli County, MTMT48,58245−54%

11Park County, MTMT18,21432−26%

12Carbon County, MTMT11,46629–

13Beaverhead County, MTMT10,04327+93%

14Fallon County, MTMT2,95926+18%

15Toole County, MTMT5,21122+57%

16Fergus County, MTMT11,82520+54%

17Broadwater County, MTMT8,49318+350%

18Stillwater County, MTMT9,44516−79%

19Teton County, MTMT6,49615−44%

20Blaine County, MTMT6,86014+75%

21Mineral County, MTMT5,18514−7%

22Sanders County, MTMT14,06214−71%

23Deer Lodge County, MTMT9,70913+63%

24Roosevelt County, MTMT10,24212+9%

25Hill County, MTMT16,16711−67%

26Custer County, MTMT12,03411−42%

27Big Horn County, MTMT12,7529–

28Daniels County, MTMT1,6129–

29Lincoln County, MTMT22,3289+350%

30Jefferson County, MTMT13,3298−86%

31Musselshell County, MTMT5,5827+75%

32Chouteau County, MTMT5,8654–

33Wheatland County, MTMT2,1004+33%

34Liberty County, MTMT1,9574–

35Pondera County, MTMT6,0724−73%

36Rosebud County, MTMT8,2533−25%

37Garfield County, MTMT1,1482–

38Powder River County, MTMT1,7812–

39Carter County, MTMT1,3831–

40Powell County, MTMT7,1571−80%

41Richland County, MTMT11,3771−96%

SHOWING 1–41 OF 41

Download CSV (full list, 41 rows)

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