RANKING · 2020 CENSUS · 56 SHOWN OF 56

Newest housing stock, Montana counties · 2020

Montana counties ranked by median year housing was built (2020 ACS). This list covers the 56 counties in Montana that qualify, ranked against each other statewide. The median across all 56 is 1972.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Gallatin County, MTMT128,7401994+1%

02Madison County, MTMT10,0261991+1%

03Broadwater County, MTMT8,4931988+1%

04Flathead County, MTMT115,4291987+1%

05Sanders County, MTMT14,0621986+1%

06Lake County, MTMT33,3921985+1%

07Jefferson County, MTMT13,3291985+1%

08Ravalli County, MTMT48,5821984+1%

09Lincoln County, MTMT22,3281983+1%

10Stillwater County, MTMT9,4451982+1%

11Missoula County, MTMT123,5131981+1%

12Mineral County, MTMT5,18519800%

13Carbon County, MTMT11,4661979+1%

14Lewis and Clark County, MTMT75,3311979+1%

15Yellowstone County, MTMT172,69219790%

16Granite County, MTMT3,6581978+1%

17Park County, MTMT18,2141978+1%

18Rosebud County, MTMT8,25319780%

19Musselshell County, MTMT5,5821977+1%

20Richland County, MTMT11,3771977+1%

21Sweet Grass County, MTMT3,7621977+1%

22Carter County, MTMT1,3831976+1%

23Petroleum County, MTMT5481976+1%

24Big Horn County, MTMT12,75219750%

25Beaverhead County, MTMT10,0431975+1%

26Glacier County, MTMT13,46319740%

27Powder River County, MTMT1,78119740%

28Garfield County, MTMT1,1481972+1%

29Blaine County, MTMT6,86019710%

30Roosevelt County, MTMT10,24219710%

31Dawson County, MTMT8,6921970+1%

32Fallon County, MTMT2,9591970+1%

33Hill County, MTMT16,1671970+1%

34Cascade County, MTMT85,02919690%

35Golden Valley County, MTMT8441968+1%

36Judith Basin County, MTMT2,1621968+1%

37Chouteau County, MTMT5,8651967+1%

38Phillips County, MTMT4,20319670%

39Liberty County, MTMT1,95719650%

40Custer County, MTMT12,03419640%

41Treasure County, MTMT72819640%

42Valley County, MTMT7,38519640%

43Pondera County, MTMT6,07219620%

44Daniels County, MTMT1,6121961+1%

45McCone County, MTMT1,72019610%

46Sheridan County, MTMT3,43619610%

47Wibaux County, MTMT88519610%

48Meagher County, MTMT2,13719600%

49Powell County, MTMT7,15719600%

50Wheatland County, MTMT2,1001960+1%

51Toole County, MTMT5,21119600%

52Teton County, MTMT6,49619590%

53Fergus County, MTMT11,82519580%

54Silver Bow County, MTMT36,1181955+1%

55Deer Lodge County, MTMT9,7091954+1%

56Prairie County, MTMT1,11219540%

SHOWING 1–56 OF 56

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