RANKING · 2020 CENSUS · 52 SHOWN OF 52

Largest Finnish population, Montana counties · 2020

Montana counties ranked by the number of residents who are Finnish 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 52 counties in Montana that qualify, ranked against each other statewide. The median across all 52 is 31.

Finnish 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

RANKPLACESTATEPOPFINNISH POPULATIONVS 2010

01Yellowstone County, MTMT172,6921,038+19%

02Flathead County, MTMT115,4291,010−12%

03Cascade County, MTMT85,029762−12%

04Missoula County, MTMT123,513560+4%

05Gallatin County, MTMT128,740530−2%

06Lewis and Clark County, MTMT75,331519−8%

07Silver Bow County, MTMT36,118512−46%

08Ravalli County, MTMT48,582260+13%

09Lincoln County, MTMT22,328177+70%

10Carbon County, MTMT11,466169−47%

11Deer Lodge County, MTMT9,709128+25%

12Park County, MTMT18,214112−25%

13Stillwater County, MTMT9,445107+128%

14Madison County, MTMT10,02662−35%

15Sanders County, MTMT14,06261−15%

16Granite County, MTMT3,65860+300%

17Lake County, MTMT33,39259−43%

18Jefferson County, MTMT13,32950−33%

19Custer County, MTMT12,03440+29%

20Richland County, MTMT11,37740+567%

21Judith Basin County, MTMT2,16240−35%

22Fergus County, MTMT11,82536+125%

23Liberty County, MTMT1,95735+400%

24Hill County, MTMT16,16734+162%

25Wibaux County, MTMT88532–

26Teton County, MTMT6,49631−46%

27Musselshell County, MTMT5,58231−28%

28Rosebud County, MTMT8,25331+288%

29Mineral County, MTMT5,18523+109%

30Phillips County, MTMT4,20321+250%

31Valley County, MTMT7,38521+62%

32Broadwater County, MTMT8,49320+82%

33Beaverhead County, MTMT10,043200%

34Meagher County, MTMT2,13719–

35Big Horn County, MTMT12,75218+50%

36Sweet Grass County, MTMT3,76217−48%

37Powell County, MTMT7,15716+100%

38Chouteau County, MTMT5,86515+67%

39Blaine County, MTMT6,86014+367%

40Roosevelt County, MTMT10,24214+600%

41Toole County, MTMT5,21113−68%

42Dawson County, MTMT8,69212−33%

43Powder River County, MTMT1,7819−25%

44Sheridan County, MTMT3,43690%

45Fallon County, MTMT2,9598−83%

46McCone County, MTMT1,7205–

47Pondera County, MTMT6,0725−89%

48Carter County, MTMT1,3834−79%

49Petroleum County, MTMT5483–

50Golden Valley County, MTMT8442–

51Wheatland County, MTMT2,1002–

52Treasure County, MTMT7282–

SHOWING 1–52 OF 52

Download CSV (full list, 52 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS