RANKING · 2010 CENSUS · 56 SHOWN OF 56

Least racially diverse, Montana counties · 2010

Montana counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). 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

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Liberty County, MTMT1,9572+45%

02Garfield County, MTMT1,1482+66%

03Judith Basin County, MTMT2,1625+216%

04Carter County, MTMT1,3835+157%

05Fallon County, MTMT2,9595+149%

06Meagher County, MTMT2,1375+32%

07Fergus County, MTMT11,8258+184%

08Wheatland County, MTMT2,1008+147%

09McCone County, MTMT1,7209+116%

10Prairie County, MTMT1,1129+343%

11Carbon County, MTMT11,4669+63%

12Madison County, MTMT10,02610+77%

13Granite County, MTMT3,65810+178%

14Musselshell County, MTMT5,58211+135%

15Teton County, MTMT6,49611+210%

16Stillwater County, MTMT9,44511+95%

17Sweet Grass County, MTMT3,76212+148%

18Park County, MTMT18,21412+94%

19Dawson County, MTMT8,69212+279%

20Lincoln County, MTMT22,32813+174%

21Mineral County, MTMT5,18513+126%

22Powder River County, MTMT1,78113+644%

23Jefferson County, MTMT13,32913+160%

24Custer County, MTMT12,03414+193%

25Wibaux County, MTMT88514+644%

26Flathead County, MTMT115,42914+180%

27Ravalli County, MTMT48,58215+154%

28Golden Valley County, MTMT84415+360%

29Beaverhead County, MTMT10,04315+107%

30Gallatin County, MTMT128,74016+136%

31Daniels County, MTMT1,61216+241%

32Richland County, MTMT11,37716+165%

33Treasure County, MTMT72816+223%

34Lewis and Clark County, MTMT75,33117+199%

35Petroleum County, MTMT54817+462%

36Sheridan County, MTMT3,43618+378%

37Broadwater County, MTMT8,49318+321%

38Toole County, MTMT5,21118+343%

39Silver Bow County, MTMT36,11818+123%

40Deer Lodge County, MTMT9,70919+252%

41Powell County, MTMT7,15720+163%

42Missoula County, MTMT123,51321+180%

43Sanders County, MTMT14,06222+312%

44Yellowstone County, MTMT172,69227+129%

45Valley County, MTMT7,38528+771%

46Cascade County, MTMT85,02928+156%

47Phillips County, MTMT4,20332+638%

48Pondera County, MTMT6,07238+1104%

49Chouteau County, MTMT5,86546+1646%

50Hill County, MTMT16,16750+891%

51Lake County, MTMT33,39257+496%

52Glacier County, MTMT13,46357+542%

53Roosevelt County, MTMT10,24260+522%

54Big Horn County, MTMT12,75261+167%

55Rosebud County, MTMT8,25363+514%

56Blaine County, MTMT6,86065+1055%

SHOWING 1–56 OF 56

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES