RANKING · 1990 CENSUS · 56 SHOWN OF 56

Newest housing stock, Montana counties · 1990

Montana counties ranked by median year housing was built (1990 ACS). This list covers the 56 counties in Montana that qualify, ranked against each other statewide. The median across all 56 is 1959.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS –

01Rosebud County, MTMT8,2531975–

02Jefferson County, MTMT13,3291973–

03Big Horn County, MTMT12,7521972–

04Broadwater County, MTMT8,4931972–

05Flathead County, MTMT115,4291972–

06Gallatin County, MTMT128,7401972–

07Lake County, MTMT33,3921972–

08Madison County, MTMT10,0261972–

09Ravalli County, MTMT48,5821972–

10Glacier County, MTMT13,4631971–

11Mineral County, MTMT5,1851971–

12Sanders County, MTMT14,0621971–

13Yellowstone County, MTMT172,6921970–

14Lewis and Clark County, MTMT75,3311969–

15Lincoln County, MTMT22,3281969–

16Missoula County, MTMT123,5131968–

17Stillwater County, MTMT9,4451966–

18Blaine County, MTMT6,8601965–

19Powder River County, MTMT1,7811965–

20Richland County, MTMT11,3771965–

21Roosevelt County, MTMT10,2421965–

22Beaverhead County, MTMT10,0431965–

23Valley County, MTMT7,3851963–

24Carbon County, MTMT11,4661962–

25Garfield County, MTMT1,1481962–

26Cascade County, MTMT85,0291960–

27Granite County, MTMT3,6581960–

28Hill County, MTMT16,1671959–

29Musselshell County, MTMT5,5821959–

30Park County, MTMT18,2141959–

31Phillips County, MTMT4,2031959–

32Carter County, MTMT1,3831958–

33McCone County, MTMT1,7201958–

34Powell County, MTMT7,1571958–

35Custer County, MTMT12,0341957–

36Dawson County, MTMT8,6921957–

37Chouteau County, MTMT5,8651956–

38Fallon County, MTMT2,9591956–

39Petroleum County, MTMT5481956–

40Pondera County, MTMT6,0721956–

41Sheridan County, MTMT3,4361956–

42Liberty County, MTMT1,9571956–

43Sweet Grass County, MTMT3,7621956–

44Meagher County, MTMT2,1371955–

45Toole County, MTMT5,2111955–

46Treasure County, MTMT7281955–

47Wibaux County, MTMT8851954–

48Fergus County, MTMT11,8251952–

49Golden Valley County, MTMT8441952–

50Teton County, MTMT6,4961950–

51Prairie County, MTMT1,1121948–

52Daniels County, MTMT1,6121946–

53Judith Basin County, MTMT2,1621946–

54Silver Bow County, MTMT36,1181943–

55Deer Lodge County, MTMT9,7091939–

56Wheatland County, MTMT2,1001939–

SHOWING 1–56 OF 56

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