RANKING · 2020 CENSUS · 56 SHOWN OF 56

Most transient, Montana counties · 2020

Montana counties ranked by the smallest share of residents living in the same house as one year earlier (2020 ACS) — the places where people move the most. This list covers the 56 counties in Montana that qualify, ranked against each other statewide.

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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

RANKPLACESTATEPOPLIVING IN THE SAME HOUSE AS 1 YEAR AGOVS –

01Meagher County, MTMT2,13777.7%–

02Powell County, MTMT7,15778.3%–

03Missoula County, MTMT123,51378.8%–

04Gallatin County, MTMT128,74079.4%–

05Petroleum County, MTMT54880.0%–

06Beaverhead County, MTMT10,04380.3%–

07Deer Lodge County, MTMT9,70980.6%–

08Cascade County, MTMT85,02981.5%–

09Toole County, MTMT5,21181.9%–

10Treasure County, MTMT72883.4%–

11Dawson County, MTMT8,69283.5%–

12Lewis and Clark County, MTMT75,33183.8%–

13Custer County, MTMT12,03484.2%–

14Yellowstone County, MTMT172,69284.7%–

15Madison County, MTMT10,02684.9%–

16Silver Bow County, MTMT36,11885.2%–

17Lake County, MTMT33,39285.3%–

18Sanders County, MTMT14,06285.7%–

19Flathead County, MTMT115,42986.3%–

20Pondera County, MTMT6,07286.5%–

21Jefferson County, MTMT13,32986.5%–

22Ravalli County, MTMT48,58286.8%–

23Glacier County, MTMT13,46386.8%–

24Mineral County, MTMT5,18587.2%–

25Musselshell County, MTMT5,58287.5%–

26Sweet Grass County, MTMT3,76287.7%–

27Teton County, MTMT6,49687.7%–

28Broadwater County, MTMT8,49388.2%–

29Park County, MTMT18,21488.3%–

30Phillips County, MTMT4,20388.8%–

31Richland County, MTMT11,37788.8%–

32Granite County, MTMT3,65888.8%–

33Fergus County, MTMT11,82588.8%–

34Hill County, MTMT16,16789.2%–

35Fallon County, MTMT2,95989.3%–

36Blaine County, MTMT6,86089.7%–

37Lincoln County, MTMT22,32889.9%–

38Valley County, MTMT7,38590.0%–

39Chouteau County, MTMT5,86590.0%–

40Roosevelt County, MTMT10,24291.2%–

41Golden Valley County, MTMT84491.7%–

42Rosebud County, MTMT8,25392.1%–

43Sheridan County, MTMT3,43692.1%–

44Stillwater County, MTMT9,44592.3%–

45Carbon County, MTMT11,46692.5%–

46Prairie County, MTMT1,11292.9%–

47Powder River County, MTMT1,78193.3%–

48Liberty County, MTMT1,95793.5%–

49Big Horn County, MTMT12,75293.8%–

50Wibaux County, MTMT88593.8%–

51Judith Basin County, MTMT2,16294.5%–

52Daniels County, MTMT1,61294.5%–

53Carter County, MTMT1,38394.6%–

54McCone County, MTMT1,72094.8%–

55Garfield County, MTMT1,14894.9%–

56Wheatland County, MTMT2,10095.3%–

SHOWING 1–56 OF 56

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS