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. The median across all 56 is 1.7%. Biggest climber in the top 100 since 2020: Liberty County, MT, up 46 places to #7.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2010

01▲13Wibaux County, MTMT8855.2%+3.7 pts

02▲5Toole County, MTMT5,2114.2%+0.6 pts

03▲2Gallatin County, MTMT128,7404.1%+1.0 pts

04▼3Prairie County, MTMT1,1124.0%+3.3 pts

05▲5Richland County, MTMT11,3773.1%+1.1 pts

06Missoula County, MTMT123,5132.9%+0.5 pts

07▲46Liberty County, MTMT1,9572.9%+0.4 pts

08▲1Flathead County, MTMT115,4292.8%+0.8 pts

09▼5Madison County, MTMT10,0262.8%−1.7 pts

10▲8Sheridan County, MTMT3,4362.7%+1.1 pts

11▼3Phillips County, MTMT4,2032.6%+1.8 pts

12▼10Lincoln County, MTMT22,3282.6%+0.4 pts

13▼2Park County, MTMT18,2142.5%−0.5 pts

14▲10Daniels County, MTMT1,6122.3%+0.8 pts

15▲26Powell County, MTMT7,1572.3%+1.3 pts

16▲1Lake County, MTMT33,3922.3%+0.3 pts

17▲6Cascade County, MTMT85,0292.3%+0.1 pts

18▲31Judith Basin County, MTMT2,1622.3%+1.1 pts

19▲11Rosebud County, MTMT8,2532.3%+1.6 pts

20▼4Ravalli County, MTMT48,5822.3%+0.6 pts

21▲26Granite County, MTMT3,6582.2%+1.6 pts

22▼7Fergus County, MTMT11,8252.2%+1.2 pts

23▼2Yellowstone County, MTMT172,6921.9%+0.3 pts

24▲5Fallon County, MTMT2,9591.9%+0.3 pts

25▲8Lewis and Clark County, MTMT75,3311.9%−0.1 pts

26▲2Pondera County, MTMT6,0721.8%−0.5 pts

27▼15Musselshell County, MTMT5,5821.7%−0.7 pts

28▼2Sanders County, MTMT14,0621.7%+0.2 pts

29▲22Blaine County, MTMT6,8601.7%+1.2 pts

30▲26Treasure County, MTMT7281.6%+0.6 pts

31▲11Beaverhead County, MTMT10,0431.6%−0.9 pts

32▲13Mineral County, MTMT5,1851.5%+0.4 pts

33▲5Chouteau County, MTMT5,8651.5%0.0 pts

34▲1Wheatland County, MTMT2,1001.5%+1.5 pts

35▼3Powder River County, MTMT1,7811.4%+1.0 pts

36▼14Custer County, MTMT12,0341.3%+0.2 pts

37▲11Stillwater County, MTMT9,4451.3%0.0 pts

38▲12Sweet Grass County, MTMT3,7621.3%−0.9 pts

39▼14McCone County, MTMT1,7201.3%+0.9 pts

40▼20Silver Bow County, MTMT36,1181.2%−0.9 pts

41▲3Valley County, MTMT7,3851.2%−0.6 pts

42▼2Hill County, MTMT16,1671.0%−0.5 pts

43▼9Jefferson County, MTMT13,3291.0%−0.3 pts

44▼25Golden Valley County, MTMT8441.0%+0.9 pts

45▼42Meagher County, MTMT2,1370.9%−2.7 pts

46▼33Petroleum County, MTMT5480.9%+0.9 pts

47▲5Big Horn County, MTMT12,7520.8%+0.2 pts

48▼12Roosevelt County, MTMT10,2420.8%+0.2 pts

49▼10Broadwater County, MTMT8,4930.8%+0.1 pts

50▼19Glacier County, MTMT13,4630.8%−0.6 pts

51▼8Carbon County, MTMT11,4660.6%−1.5 pts

52▼15Dawson County, MTMT8,6920.4%0.0 pts

53▼7Teton County, MTMT6,4960.4%−1.9 pts

54Carter County, MTMT1,3830.4%0.0 pts

55▼28Deer Lodge County, MTMT9,7090.4%−0.6 pts

56▼1Garfield County, MTMT1,1480.0%−0.1 pts

SHOWING 1–56 OF 56

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES