RANKING · 2010 CENSUS · 56 SHOWN OF 56

Most foreign-born residents, Montana counties · 2010

Montana counties ranked by the share of residents born outside the US (2010 ACS). This list covers the 56 counties in Montana that qualify, ranked against each other statewide.

MontanaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS –

01Madison County, MTMT10,0264.4%–

02Toole County, MTMT5,2113.6%–

03Meagher County, MTMT2,1373.6%–

04Gallatin County, MTMT128,7403.1%–

05Park County, MTMT18,2143.0%–

06Beaverhead County, MTMT10,0432.5%–

07Liberty County, MTMT1,9572.5%–

08Musselshell County, MTMT5,5822.4%–

09Missoula County, MTMT123,5132.4%–

10Teton County, MTMT6,4962.3%–

11Pondera County, MTMT6,0722.3%–

12Sweet Grass County, MTMT3,7622.2%–

13Lincoln County, MTMT22,3282.2%–

14Cascade County, MTMT85,0292.2%–

15Carbon County, MTMT11,4662.1%–

16Silver Bow County, MTMT36,1182.1%–

17Lake County, MTMT33,3922.0%–

18Flathead County, MTMT115,4292.0%–

19Lewis and Clark County, MTMT75,3312.0%–

20Richland County, MTMT11,3772.0%–

21Valley County, MTMT7,3851.8%–

22Ravalli County, MTMT48,5821.7%–

23Yellowstone County, MTMT172,6921.7%–

24Sheridan County, MTMT3,4361.6%–

25Fallon County, MTMT2,9591.6%–

26Daniels County, MTMT1,6121.6%–

27Wibaux County, MTMT8851.5%–

28Chouteau County, MTMT5,8651.5%–

29Hill County, MTMT16,1671.5%–

30Sanders County, MTMT14,0621.4%–

31Glacier County, MTMT13,4631.4%–

32Jefferson County, MTMT13,3291.3%–

33Stillwater County, MTMT9,4451.2%–

34Judith Basin County, MTMT2,1621.2%–

35Custer County, MTMT12,0341.1%–

36Mineral County, MTMT5,1851.1%–

37Powell County, MTMT7,1571.1%–

38Treasure County, MTMT7281.1%–

39Deer Lodge County, MTMT9,7091.0%–

40Fergus County, MTMT11,8251.0%–

41Phillips County, MTMT4,2030.8%–

42Prairie County, MTMT1,1120.7%–

43Broadwater County, MTMT8,4930.7%–

44Roosevelt County, MTMT10,2420.7%–

45Big Horn County, MTMT12,7520.7%–

46Rosebud County, MTMT8,2530.7%–

47Granite County, MTMT3,6580.6%–

48Blaine County, MTMT6,8600.5%–

49Dawson County, MTMT8,6920.5%–

50Carter County, MTMT1,3830.4%–

51Powder River County, MTMT1,7810.4%–

52McCone County, MTMT1,7200.4%–

53Golden Valley County, MTMT8440.1%–

54Garfield County, MTMT1,1480.1%–

55Petroleum County, MTMT5480.0%–

56Wheatland County, MTMT2,1000.0%–

SHOWING 1–56 OF 56

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS