RANKING · 2024 ACS · 50 SHOWN OF 50

Highest Welsh population share, Montana counties

Montana counties ranked by the share of all residents who are Welsh ancestry (2023 American Community Survey). A concentration measure: Welsh residents as a percentage of total population. This list covers the 50 counties in Montana that qualify, ranked against each other statewide.

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH SHAREVS 2000

01Meagher County, MTMT2,1372.8%–

02Dawson County, MTMT8,6921.3%–

03Liberty County, MTMT1,9571.3%–

04McCone County, MTMT1,7201.3%–

05Ravalli County, MTMT48,5821.3%–

06Custer County, MTMT12,0341.1%–

07Mineral County, MTMT5,1851.1%–

08Lewis and Clark County, MTMT75,3311.1%–

09Deer Lodge County, MTMT9,7091.1%–

10Granite County, MTMT3,6581.0%–

11Phillips County, MTMT4,2031.0%–

12Flathead County, MTMT115,4290.9%–

13Stillwater County, MTMT9,4450.9%–

14Missoula County, MTMT123,5130.9%–

15Gallatin County, MTMT128,7400.8%–

16Madison County, MTMT10,0260.8%–

17Carbon County, MTMT11,4660.8%–

18Jefferson County, MTMT13,3290.7%–

19Cascade County, MTMT85,0290.6%–

20Yellowstone County, MTMT172,6920.6%–

21Wheatland County, MTMT2,1000.6%–

22Richland County, MTMT11,3770.6%–

23Beaverhead County, MTMT10,0430.6%–

24Carter County, MTMT1,3830.6%–

25Silver Bow County, MTMT36,1180.6%–

26Fergus County, MTMT11,8250.6%–

27Chouteau County, MTMT5,8650.6%–

28Sweet Grass County, MTMT3,7620.5%–

29Golden Valley County, MTMT8440.4%–

30Pondera County, MTMT6,0720.4%–

31Big Horn County, MTMT12,7520.4%–

32Sanders County, MTMT14,0620.4%–

33Lake County, MTMT33,3920.4%–

34Rosebud County, MTMT8,2530.4%–

35Hill County, MTMT16,1670.3%–

36Park County, MTMT18,2140.3%–

37Toole County, MTMT5,2110.3%–

38Teton County, MTMT6,4960.3%–

39Musselshell County, MTMT5,5820.3%–

40Broadwater County, MTMT8,4930.2%–

41Powder River County, MTMT1,7810.2%–

42Lincoln County, MTMT22,3280.2%–

43Judith Basin County, MTMT2,1620.2%–

44Powell County, MTMT7,1570.1%–

45Fallon County, MTMT2,9590.1%–

46Roosevelt County, MTMT10,2420.1%–

47Sheridan County, MTMT3,4360.1%–

48Valley County, MTMT7,3850.1%–

49Blaine County, MTMT6,8600.0%–

50Glacier County, MTMT13,4630.0%–

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