RANKING · 2020 CENSUS · 46 SHOWN OF 46

Highest British population share, Montana counties · 2020

Montana counties ranked by the share of all residents who are British ancestry (2020 American Community Survey). A concentration measure: British residents as a percentage of total population. This list covers the 46 counties in Montana that qualify, ranked against each other statewide. The median across all 46 is 0.6%.

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 SHAREVS 2010

01Granite County, MTMT3,6581.5%+0.7 pts

02Deer Lodge County, MTMT9,7091.3%+0.9 pts

03Ravalli County, MTMT48,5821.3%+1.0 pts

04Sheridan County, MTMT3,4361.1%+0.8 pts

05Lewis and Clark County, MTMT75,3311.1%+0.6 pts

06Jefferson County, MTMT13,3291.1%+0.9 pts

07Broadwater County, MTMT8,4931.0%+0.9 pts

08Mineral County, MTMT5,1850.9%+0.4 pts

09Gallatin County, MTMT128,7400.9%+0.4 pts

10Richland County, MTMT11,3770.9%–

11Lake County, MTMT33,3920.9%+0.8 pts

12Powell County, MTMT7,1570.8%+0.6 pts

13Sweet Grass County, MTMT3,7620.8%+0.7 pts

14Stillwater County, MTMT9,4450.8%+0.5 pts

15Sanders County, MTMT14,0620.8%+0.1 pts

16Cascade County, MTMT85,0290.8%+0.2 pts

17Judith Basin County, MTMT2,1620.7%+0.3 pts

18Park County, MTMT18,2140.7%+0.3 pts

19Missoula County, MTMT123,5130.7%+0.2 pts

20Fergus County, MTMT11,8250.7%+0.6 pts

21Madison County, MTMT10,0260.6%+0.4 pts

22Beaverhead County, MTMT10,0430.6%+0.5 pts

23Prairie County, MTMT1,1120.6%–

24Musselshell County, MTMT5,5820.6%+0.4 pts

25Chouteau County, MTMT5,8650.5%−0.2 pts

26Carbon County, MTMT11,4660.5%−0.2 pts

27Teton County, MTMT6,4960.5%0.0 pts

28Yellowstone County, MTMT172,6920.5%+0.3 pts

29Custer County, MTMT12,0340.4%+0.3 pts

30Pondera County, MTMT6,0720.4%+0.2 pts

31Carter County, MTMT1,3830.4%–

32Garfield County, MTMT1,1480.4%0.0 pts

33Toole County, MTMT5,2110.4%0.0 pts

34Glacier County, MTMT13,4630.3%+0.2 pts

35Flathead County, MTMT115,4290.3%−0.1 pts

36Silver Bow County, MTMT36,1180.3%+0.2 pts

37Liberty County, MTMT1,9570.3%+0.1 pts

38Hill County, MTMT16,1670.3%0.0 pts

39Lincoln County, MTMT22,3280.3%+0.2 pts

40Phillips County, MTMT4,2030.2%–

41Blaine County, MTMT6,8600.2%+0.1 pts

42McCone County, MTMT1,7200.2%–

43Valley County, MTMT7,3850.1%–

44Golden Valley County, MTMT8440.1%−0.1 pts

45Big Horn County, MTMT12,7520.0%–

46Dawson County, MTMT8,6920.0%−0.3 pts

SHOWING 1–46 OF 46

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