RANKING · 2024 ACS · 44 SHOWN OF 44

Largest British population, Montana counties

Montana counties ranked by the number of residents who are British ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 44 counties in Montana that qualify, ranked against each other statewide.

British 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

RANKPLACESTATEPOPBRITISH POPULATIONVS 2010

01Yellowstone County, MTMT172,692828+144%

02Missoula County, MTMT123,513616+28%

03Lewis and Clark County, MTMT75,331546+98%

04Flathead County, MTMT115,429470+35%

05Gallatin County, MTMT128,740424+3%

06Cascade County, MTMT85,029262−38%

07Ravalli County, MTMT48,582246+105%

08Silver Bow County, MTMT36,118150+178%

09Park County, MTMT18,214148+131%

10Lake County, MTMT33,392140+900%

11Sanders County, MTMT14,062139+78%

12Fergus County, MTMT11,82588+1660%

13Beaverhead County, MTMT10,04382+1071%

14Jefferson County, MTMT13,32967+458%

15Carbon County, MTMT11,46666−8%

16Lincoln County, MTMT22,32854+575%

17Richland County, MTMT11,37753–

18Madison County, MTMT10,02647+213%

19Granite County, MTMT3,65840+74%

20Broadwater County, MTMT8,49329+314%

21Stillwater County, MTMT9,44529+12%

22Custer County, MTMT12,03426+136%

23Deer Lodge County, MTMT9,70925−29%

24Chouteau County, MTMT5,86521−46%

25Hill County, MTMT16,16720−60%

26Dawson County, MTMT8,69215−56%

27Sheridan County, MTMT3,43613+30%

28Powell County, MTMT7,15712−20%

29Teton County, MTMT6,49611−62%

30Blaine County, MTMT6,86011+83%

31Garfield County, MTMT1,1488+60%

32Roosevelt County, MTMT10,2427–

33Powder River County, MTMT1,7816–

34Carter County, MTMT1,3835–

35Mineral County, MTMT5,1855−76%

36Judith Basin County, MTMT2,1625−44%

37Sweet Grass County, MTMT3,7625+0%

38Wheatland County, MTMT2,1004−43%

39McCone County, MTMT1,7203–

40Meagher County, MTMT2,1373−88%

41Phillips County, MTMT4,2033–

42Big Horn County, MTMT12,7521–

43Golden Valley County, MTMT8441−50%

44Toole County, MTMT5,2111−94%

SHOWING 1–44 OF 44

Download CSV (full list, 44 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES