RANKING · 2020 CENSUS · 45 SHOWN OF 45

Largest Belgian population, Montana counties · 2020

Montana counties ranked by the number of residents who are Belgian 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 45 counties in Montana that qualify, ranked against each other statewide. The median across all 45 is 18.

Belgian 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

RANKPLACESTATEPOPBELGIAN POPULATIONVS 2010

01Yellowstone County, MTMT172,692394−37%

02Flathead County, MTMT115,429222+353%

03Gallatin County, MTMT128,740210−28%

04Lewis and Clark County, MTMT75,331205+211%

05Missoula County, MTMT123,513169−17%

06Glacier County, MTMT13,463155–

07Cascade County, MTMT85,029130−58%

08Park County, MTMT18,214105+2000%

09Pondera County, MTMT6,07287−4%

10Dawson County, MTMT8,69257+235%

11Teton County, MTMT6,49655+129%

12Liberty County, MTMT1,95755–

13Rosebud County, MTMT8,25351+21%

14Silver Bow County, MTMT36,11849–

15Lake County, MTMT33,39238−14%

16Sweet Grass County, MTMT3,76237+236%

17Lincoln County, MTMT22,32834+113%

18Carbon County, MTMT11,46632−57%

19Powell County, MTMT7,15725+525%

20Custer County, MTMT12,03422+10%

21Musselshell County, MTMT5,58222+10%

22Beaverhead County, MTMT10,04319–

23Granite County, MTMT3,65818–

24Stillwater County, MTMT9,44518+157%

25Valley County, MTMT7,38518−63%

26Meagher County, MTMT2,13717–

27Jefferson County, MTMT13,32916−53%

28Phillips County, MTMT4,20313−43%

29Richland County, MTMT11,37711−74%

30Big Horn County, MTMT12,75210−17%

31Fergus County, MTMT11,825100%

32Sheridan County, MTMT3,43610–

33Treasure County, MTMT72810+67%

34Broadwater County, MTMT8,4938–

35Hill County, MTMT16,1677−65%

36Ravalli County, MTMT48,5826−95%

37Roosevelt County, MTMT10,2426–

38Deer Lodge County, MTMT9,7095−44%

39Chouteau County, MTMT5,86540%

40Golden Valley County, MTMT8444–

41Wheatland County, MTMT2,1004−33%

42Fallon County, MTMT2,9593−89%

43Sanders County, MTMT14,0623−67%

44Blaine County, MTMT6,8602−89%

45Wibaux County, MTMT8852−71%

SHOWING 1–45 OF 45

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