RANKING · 2024 ACS · 56 SHOWN OF 56

Most segregated, Colorado counties

Colorado 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 56 counties in Colorado that qualify, ranked against each other statewide. The median across all 56 is 21. Biggest climber in the top 100 since 2020: Archuleta County, CO, up 35 places to #16.

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

RANKPLACESTATEPOPSEGREGATION SCOREVS 2020

01Saguache County, COCO6,73249−5%

02▲24Rio Grande County, COCO11,08746+84%

03▲10San Miguel County, COCO7,75344+39%

04▼2Denver County, COCO740,61341−10%

05▲10Alamosa County, COCO16,68836+20%

06▼1Arapahoe County, COCO673,82034−10%

07▲12Montezuma County, COCO26,67833+16%

08▼5Fremont County, COCO50,03933−24%

09▼3Huerfano County, COCO7,01131−14%

10▼1Weld County, COCO378,42630−13%

11▼1Adams County, COCO554,66829−11%

12▼8Lake County, COCO7,55229−28%

13▲8Phillips County, COCO4,42029+3%

14▲3Eagle County, COCO54,29128−6%

15▼3Morgan County, COCO30,30628−13%

16▲35Archuleta County, COCO14,30628+229%

17▲3El Paso County, COCO757,04026−10%

18▲7Delta County, COCO32,17826−3%

19▼5Gunnison County, COCO17,43924−20%

20▲3Boulder County, COCO328,56024−11%

21▲3Moffat County, COCO13,12224−10%

22▲13Logan County, COCO20,65424+9%

23▼1Jefferson County, COCO580,45124−13%

24▲8Pueblo County, COCO169,27722−4%

25▲27Rio Blanco County, COCO6,68322+195%

26▲8Otero County, COCO17,68322−4%

27▲4Mesa County, COCO162,84522−9%

28▼20Montrose County, COCO44,59121−39%

29▲1Chaffee County, COCO20,83121−11%

30▼23Lincoln County, COCO5,64521−42%

31▲10Bent County, COCO5,71620+18%

32▼16Clear Creek County, COCO8,99419−37%

33▲3Larimer County, COCO377,29219−13%

34▼6Grand County, COCO16,49618−25%

35▲12Broomfield County, COCO79,17418+22%

36▲9Garfield County, COCO63,47418+17%

37▼26Costilla County, COCO3,67918−45%

38▲17Baca County, COCO3,34718+316%

39▼10Routt County, COCO25,32918−28%

40▲10Ouray County, COCO5,26517+60%

41▼3Kit Carson County, COCO7,06917−10%

42▼24Summit County, COCO31,51717−44%

43▼1La Plata County, COCO56,89816−5%

44▼4Douglas County, COCO399,39616−6%

45▲8Yuma County, COCO9,89614+145%

46▲10Custer County, COCO5,59014+565%

47▲1Park County, COCO18,31413−10%

48▼21Conejos County, COCO7,52913−48%

49Gilpin County, COCO6,07312−1%

50▼4Las Animas County, COCO14,39112−21%

51▲3Crowley County, COCO5,67712+182%

52▼8Prowers County, COCO11,88411−28%

53▼20Pitkin County, COCO16,62510−57%

54▼11Teller County, COCO24,75610−38%

55▼18Elbert County, COCO30,53410−53%

56▼17Washington County, COCO4,7325−68%

SHOWING 1–56 OF 56

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