RANKING · 2010 CENSUS · 39 SHOWN OF 39

Highest Belgian population share, Montana counties · 2010

Montana counties ranked by the share of all residents who are Belgian ancestry (2023 American Community Survey). A concentration measure: Belgian residents as a percentage of total population. This list covers the 39 counties in Montana that qualify, ranked against each other statewide.

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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 SHAREVS 2000

01Pondera County, MTMT6,0721.5%–

02Fallon County, MTMT2,9591.0%–

03Carbon County, MTMT11,4660.7%–

04Treasure County, MTMT7280.7%–

05Wibaux County, MTMT8850.7%–

06Valley County, MTMT7,3850.7%–

07Phillips County, MTMT4,2030.5%–

08Toole County, MTMT5,2110.5%–

09Musselshell County, MTMT5,5820.5%–

10Rosebud County, MTMT8,2530.5%–

11Richland County, MTMT11,3770.5%–

12Yellowstone County, MTMT172,6920.4%–

13Teton County, MTMT6,4960.4%–

14Cascade County, MTMT85,0290.4%–

15Gallatin County, MTMT128,7400.3%–

16Jefferson County, MTMT13,3290.3%–

17Ravalli County, MTMT48,5820.3%–

18Sweet Grass County, MTMT3,7620.3%–

19Blaine County, MTMT6,8600.3%–

20Wheatland County, MTMT2,1000.3%–

21Judith Basin County, MTMT2,1620.3%–

22Powder River County, MTMT1,7810.2%–

23Mineral County, MTMT5,1850.2%–

24Dawson County, MTMT8,6920.2%–

25Missoula County, MTMT123,5130.2%–

26Custer County, MTMT12,0340.2%–

27Lake County, MTMT33,3920.2%–

28Hill County, MTMT16,1670.1%–

29Lewis and Clark County, MTMT75,3310.1%–

30Deer Lodge County, MTMT9,7090.1%–

31Big Horn County, MTMT12,7520.1%–

32Fergus County, MTMT11,8250.1%–

33Lincoln County, MTMT22,3280.1%–

34Sanders County, MTMT14,0620.1%–

35Stillwater County, MTMT9,4450.1%–

36Chouteau County, MTMT5,8650.1%–

37Powell County, MTMT7,1570.1%–

38Flathead County, MTMT115,4290.1%–

39Park County, MTMT18,2140.0%–

SHOWING 1–39 OF 39

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES