RANKING · 2010 CENSUS · 42 SHOWN OF 42

Largest British population, Montana counties · 2010

Montana counties ranked by the number of residents who are British ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 42 counties in Montana that qualify, ranked against each other statewide.

MontanaAll states All rankings

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 2000

01Missoula County, MTMT123,513482–

02Cascade County, MTMT85,029420–

03Gallatin County, MTMT128,740410–

04Flathead County, MTMT115,429348–

05Yellowstone County, MTMT172,692339–

06Lewis and Clark County, MTMT75,331276–

07Ravalli County, MTMT48,582120–

08Sanders County, MTMT14,06278–

09Carbon County, MTMT11,46672–

10Park County, MTMT18,21464–

11Silver Bow County, MTMT36,11854–

12Hill County, MTMT16,16750–

13Chouteau County, MTMT5,86539–

14Deer Lodge County, MTMT9,70935–

15Dawson County, MTMT8,69234–

16Teton County, MTMT6,49629–

17Stillwater County, MTMT9,44526–

18Meagher County, MTMT2,13725–

19Glacier County, MTMT13,46324–

20Granite County, MTMT3,65823–

21Mineral County, MTMT5,18521–

22Toole County, MTMT5,21118–

23Madison County, MTMT10,02615–

24Powell County, MTMT7,15715–

25Lake County, MTMT33,39214–

26Jefferson County, MTMT13,32912–

27Custer County, MTMT12,03411–

28Pondera County, MTMT6,07210–

29Sheridan County, MTMT3,43610–

30Judith Basin County, MTMT2,1629–

31Lincoln County, MTMT22,3288–

32Beaverhead County, MTMT10,0437–

33Broadwater County, MTMT8,4937–

34Musselshell County, MTMT5,5827–

35Wheatland County, MTMT2,1007–

36Blaine County, MTMT6,8606–

37Fergus County, MTMT11,8255–

38Garfield County, MTMT1,1485–

39Sweet Grass County, MTMT3,7625–

40Liberty County, MTMT1,9574–

41Golden Valley County, MTMT8442–

42Rosebud County, MTMT8,2532–

SHOWING 1–42 OF 42

Download CSV (full list, 42 rows)

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