RANKING · 2024 ACS · 39 SHOWN OF 39

Most segregated, Montana counties

Montana counties ranked by the CensusEasy Segregation Score, the White vs non-White index of dissimilarity across census tracts (2024 ACS). Higher means residents are more sorted into separate neighborhoods. This list covers the 39 counties in Montana that qualify, ranked against each other statewide. The median across all 39 is 18. Biggest climber in the top 100 since 2020: Granite County, MT, up 21 places to #9.

Flip the list · Least segregated, US counties →

MontanaAll states All rankings

SAME RANKING BYMetros

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPSEGREGATION SCOREVS 2020

01Blaine County, MTMT6,86073−5%

02Rosebud County, MTMT8,25362−12%

03▲2Glacier County, MTMT13,46361+16%

04▲2Big Horn County, MTMT12,75248+11%

05▲7Valley County, MTMT7,38546+72%

06▼2Hill County, MTMT16,16746−13%

07▼4Pondera County, MTMT6,07242−35%

08▲1Roosevelt County, MTMT10,24236+14%

09▲21Granite County, MTMT3,65831+184%

10▲4Lake County, MTMT33,39225+5%

11▼4Chouteau County, MTMT5,86524−33%

12▲8Ravalli County, MTMT48,58224+16%

13▲2Gallatin County, MTMT128,74023+2%

14▼3Cascade County, MTMT85,02922−20%

15▼2Yellowstone County, MTMT172,69222−14%

16▼8Sanders County, MTMT14,06222−35%

17▲10Richland County, MTMT11,37720+42%

18▲20Sheridan County, MTMT3,43620+405%

19▲17Teton County, MTMT6,49619+191%

20▼1Flathead County, MTMT115,42918−14%

21▲13Deer Lodge County, MTMT9,70917+93%

22▼12Silver Bow County, MTMT36,11817−39%

23▲5Custer County, MTMT12,03416+14%

24▼1Carbon County, MTMT11,46615−24%

25▼3Missoula County, MTMT123,51315−26%

26▼1Lewis and Clark County, MTMT75,33114−14%

27▼11Madison County, MTMT10,02613−38%

28▼2Dawson County, MTMT8,69213−11%

29▼5Lincoln County, MTMT22,32812−36%

30▼12Toole County, MTMT5,21112−43%

31▼2Fergus County, MTMT11,82511+2%

32▼11Park County, MTMT18,21411−45%

33▲4Broadwater County, MTMT8,4939+82%

34▼1Jefferson County, MTMT13,3298−15%

35▼3Powell County, MTMT7,1577−32%

36▼1Stillwater County, MTMT9,4456−28%

37▼6Beaverhead County, MTMT10,0435−53%

38▲1Musselshell County, MTMT5,5824+101%

39▼22Mineral County, MTMT5,1850−98%

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)How this score is calculated

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES