RANKING · 2010 CENSUS · 56 SHOWN OF 56

Most equal income distribution, Montana counties · 2010

Montana counties with the lowest income inequality, measured by the Gini index (2010 ACS). This list covers the 56 counties in Montana that qualify, ranked against each other statewide. The median across all 56 is 0.429.

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SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2024

RANKPLACESTATEPOPINCOME INEQUALITY (GINI)VS –

01Broadwater County, MTMT8,4930.363–

02Treasure County, MTMT7280.380–

03Mineral County, MTMT5,1850.381–

04Stillwater County, MTMT9,4450.388–

05McCone County, MTMT1,7200.391–

06Dawson County, MTMT8,6920.392–

07Garfield County, MTMT1,1480.393–

08Jefferson County, MTMT13,3290.397–

09Petroleum County, MTMT5480.398–

10Powell County, MTMT7,1570.398–

11Lewis and Clark County, MTMT75,3310.400–

12Fallon County, MTMT2,9590.404–

13Rosebud County, MTMT8,2530.407–

14Golden Valley County, MTMT8440.413–

15Silver Bow County, MTMT36,1180.413–

16Sweet Grass County, MTMT3,7620.415–

17Custer County, MTMT12,0340.417–

18Wibaux County, MTMT8850.417–

19Valley County, MTMT7,3850.417–

20Carbon County, MTMT11,4660.419–

21Prairie County, MTMT1,1120.420–

22Sanders County, MTMT14,0620.422–

23Blaine County, MTMT6,8600.424–

24Chouteau County, MTMT5,8650.425–

25Deer Lodge County, MTMT9,7090.426–

26Cascade County, MTMT85,0290.427–

27Lincoln County, MTMT22,3280.427–

28Roosevelt County, MTMT10,2420.427–

29Yellowstone County, MTMT172,6920.429–

30Lake County, MTMT33,3920.430–

31Teton County, MTMT6,4960.432–

32Big Horn County, MTMT12,7520.432–

33Hill County, MTMT16,1670.432–

34Musselshell County, MTMT5,5820.432–

35Richland County, MTMT11,3770.432–

36Daniels County, MTMT1,6120.434–

37Beaverhead County, MTMT10,0430.434–

38Toole County, MTMT5,2110.434–

39Flathead County, MTMT115,4290.436–

40Gallatin County, MTMT128,7400.437–

41Glacier County, MTMT13,4630.437–

42Fergus County, MTMT11,8250.438–

43Judith Basin County, MTMT2,1620.439–

44Liberty County, MTMT1,9570.440–

45Carter County, MTMT1,3830.450–

46Pondera County, MTMT6,0720.450–

47Sheridan County, MTMT3,4360.450–

48Wheatland County, MTMT2,1000.450–

49Meagher County, MTMT2,1370.452–

50Granite County, MTMT3,6580.453–

51Ravalli County, MTMT48,5820.453–

52Park County, MTMT18,2140.456–

53Missoula County, MTMT123,5130.470–

54Powder River County, MTMT1,7810.477–

55Phillips County, MTMT4,2030.479–

56Madison County, MTMT10,0260.507–

SHOWING 1–56 OF 56

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