RANKING · 2024 ACS · 56 SHOWN OF 56

Most foreign-born residents, Montana counties

Montana counties ranked by the share of residents born outside the US (2024 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 2010

01Wibaux County, MTMT8855.2%+247%

02Toole County, MTMT5,2114.2%+17%

03Gallatin County, MTMT128,7404.1%+34%

04Prairie County, MTMT1,1124.0%+445%

05Richland County, MTMT11,3773.1%+57%

06Missoula County, MTMT123,5132.9%+20%

07Liberty County, MTMT1,9572.9%+16%

08Flathead County, MTMT115,4292.8%+39%

09Madison County, MTMT10,0262.8%−38%

10Sheridan County, MTMT3,4362.7%+68%

11Phillips County, MTMT4,2032.6%+213%

12Lincoln County, MTMT22,3282.6%+17%

13Park County, MTMT18,2142.5%−15%

14Daniels County, MTMT1,6122.3%+49%

15Powell County, MTMT7,1572.3%+118%

16Lake County, MTMT33,3922.3%+15%

17Cascade County, MTMT85,0292.3%+5%

18Judith Basin County, MTMT2,1622.3%+94%

19Rosebud County, MTMT8,2532.3%+245%

20Ravalli County, MTMT48,5822.3%+34%

21Granite County, MTMT3,6582.2%+252%

22Fergus County, MTMT11,8252.2%+127%

23Yellowstone County, MTMT172,6921.9%+16%

24Fallon County, MTMT2,9591.9%+18%

25Lewis and Clark County, MTMT75,3311.9%−6%

26Pondera County, MTMT6,0721.8%−23%

27Musselshell County, MTMT5,5821.7%−28%

28Sanders County, MTMT14,0621.7%+17%

29Blaine County, MTMT6,8601.7%+235%

30Treasure County, MTMT7281.6%+54%

31Beaverhead County, MTMT10,0431.6%−37%

32Mineral County, MTMT5,1851.5%+40%

33Chouteau County, MTMT5,8651.5%−0%

34Wheatland County, MTMT2,1001.5%–

35Powder River County, MTMT1,7811.4%+281%

36Custer County, MTMT12,0341.3%+19%

37Stillwater County, MTMT9,4451.3%+3%

38Sweet Grass County, MTMT3,7621.3%−43%

39McCone County, MTMT1,7201.3%+259%

40Silver Bow County, MTMT36,1181.2%−42%

41Valley County, MTMT7,3851.2%−33%

42Hill County, MTMT16,1671.0%−31%

43Jefferson County, MTMT13,3291.0%−23%

44Golden Valley County, MTMT8441.0%+711%

45Meagher County, MTMT2,1370.9%−74%

46Petroleum County, MTMT5480.9%–

47Big Horn County, MTMT12,7520.8%+26%

48Roosevelt County, MTMT10,2420.8%+24%

49Broadwater County, MTMT8,4930.8%+19%

50Glacier County, MTMT13,4630.8%−43%

51Carbon County, MTMT11,4660.6%−71%

52Dawson County, MTMT8,6920.4%−4%

53Teton County, MTMT6,4960.4%−82%

54Carter County, MTMT1,3830.4%−1%

55Deer Lodge County, MTMT9,7090.4%−62%

56Garfield County, MTMT1,1480.0%−100%

SHOWING 1–56 OF 56

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