RANKING · 2010 CENSUS · 64 SHOWN OF 64

Least racially diverse, Colorado counties · 2010

Colorado counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). This list covers the 64 counties in Colorado that qualify, ranked against each other statewide.

Flip the list · Most racially diverse, US counties →

ColoradoAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Hinsdale County, COCO7539+112%

02Mineral County, COCO91013+144%

03Ouray County, COCO5,26516+49%

04Kiowa County, COCO1,41217+91%

05Custer County, COCO5,59018+133%

06Park County, COCO18,31419+46%

07Dolores County, COCO2,46619+76%

08Clear Creek County, COCO8,99419+76%

09Teller County, COCO24,75621+83%

10Gilpin County, COCO6,07321+59%

11Elbert County, COCO30,53421+80%

12Routt County, COCO25,32921+134%

13Grand County, COCO16,49623+72%

14Cheyenne County, COCO1,71326+28%

15San Miguel County, COCO7,75326+45%

16Gunnison County, COCO17,43926+85%

17Jackson County, COCO1,21127+75%

18Washington County, COCO4,73228+82%

19Baca County, COCO3,34728+63%

20Pitkin County, COCO16,62528+47%

21Chaffee County, COCO20,83130+22%

22San Juan County, COCO81330+72%

23Rio Blanco County, COCO6,68333+152%

24Douglas County, COCO399,39633+64%

25Sedgwick County, COCO2,24734+23%

26Larimer County, COCO377,29234+42%

27Delta County, COCO32,17836+31%

28Mesa County, COCO162,84537+46%

29Moffat County, COCO13,12237+63%

30Summit County, COCO31,51737+44%

31La Plata County, COCO56,89842+59%

32Archuleta County, COCO14,30642+14%

33Jefferson County, COCO580,45142+42%

34Fremont County, COCO50,03942+17%

35Lincoln County, COCO5,64543+35%

36Boulder County, COCO328,56044+35%

37Phillips County, COCO4,42044+60%

38Broomfield County, COCO79,17445–

39Logan County, COCO20,65445+42%

40Yuma County, COCO9,89645+57%

41Montrose County, COCO44,59145+34%

42Kit Carson County, COCO7,06946+36%

43Montezuma County, COCO26,67851+102%

44Garfield County, COCO63,47457+54%

45El Paso County, COCO757,04057+28%

46Eagle County, COCO54,29157+22%

47Weld County, COCO378,42658+11%

48Prowers County, COCO11,88459+5%

49Costilla County, COCO3,67961+13%

50Morgan County, COCO30,30663+15%

51Lake County, COCO7,55264+8%

52Rio Grande County, COCO11,08764+4%

53Otero County, COCO17,68364+6%

54Conejos County, COCO7,52965+8%

55Saguache County, COCO6,73266+6%

56Pueblo County, COCO169,27767+7%

57Las Animas County, COCO14,39168+9%

58Huerfano County, COCO7,01169+10%

59Arapahoe County, COCO673,82069+39%

60Alamosa County, COCO16,68869+10%

61Crowley County, COCO5,67771+21%

62Bent County, COCO5,71671+18%

63Adams County, COCO554,66871+16%

64Denver County, COCO740,61377+3%

SHOWING 1–64 OF 64

Download CSV (full list, 64 rows)How this score is calculated

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