RANKING · 1990 CENSUS · 63 SHOWN OF 63

Least educated, Colorado counties · 1990

Colorado counties with the smallest share of adults 25+ holding a bachelor's degree or higher (2023 ACS). This list covers the 63 counties in Colorado that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000

01Crowley County, COCO5,6778.0%−33%

02Sedgwick County, COCO2,2478.6%−36%

03Kiowa County, COCO1,4129.1%−43%

04Dolores County, COCO2,4669.8%−28%

05Costilla County, COCO3,67910.5%−18%

06Conejos County, COCO7,52910.7%−26%

07Morgan County, COCO30,30611.7%−13%

08Fremont County, COCO50,03911.8%−13%

09Washington County, COCO4,73211.8%−17%

10Cheyenne County, COCO1,71311.9%−16%

11Prowers County, COCO11,88412.2%+2%

12Huerfano County, COCO7,01112.6%−22%

13Las Animas County, COCO14,39112.7%−22%

14Lincoln County, COCO5,64512.9%−3%

15Adams County, COCO554,66813.0%−25%

16Otero County, COCO17,68313.0%−15%

17Yuma County, COCO9,89613.4%−14%

18Baca County, COCO3,34713.6%−3%

19Delta County, COCO32,17813.6%−22%

20Pueblo County, COCO169,27714.0%−24%

21Logan County, COCO20,65414.2%−3%

22Phillips County, COCO4,42014.2%−29%

23Saguache County, COCO6,73214.4%−27%

24Bent County, COCO5,71614.6%+27%

25Chaffee County, COCO20,83115.2%−38%

26Jackson County, COCO1,21115.3%−23%

27Rio Blanco County, COCO6,68315.4%−21%

28Montrose County, COCO44,59115.4%−17%

29Kit Carson County, COCO7,06915.8%+3%

30Montezuma County, COCO26,67815.9%−24%

31Lake County, COCO7,55216.2%−17%

32Moffat County, COCO13,12216.4%+32%

33Mesa County, COCO162,84517.4%−21%

34Rio Grande County, COCO11,08717.5%−7%

35Mineral County, COCO91017.9%−43%

36Weld County, COCO378,42618.4%−15%

37Custer County, COCO5,59019.2%−28%

38Archuleta County, COCO14,30619.7%−32%

39Elbert County, COCO30,53419.8%−25%

40Garfield County, COCO63,47421.6%−9%

41Park County, COCO18,31422.4%−26%

42San Juan County, COCO81324.0%−45%

43Alamosa County, COCO16,68824.1%−11%

44El Paso County, COCO757,04025.8%−19%

45Teller County, COCO24,75626.4%−17%

46Ouray County, COCO5,26527.9%−24%

47La Plata County, COCO56,89828.1%−23%

48Denver County, COCO740,61329.0%−16%

49Gilpin County, COCO6,07329.5%−5%

50Grand County, COCO16,49630.2%−13%

51Jefferson County, COCO580,45130.7%−16%

52Clear Creek County, COCO8,99431.2%−20%

53Hinsdale County, COCO75332.0%−8%

54Larimer County, COCO377,29232.3%−18%

55Eagle County, COCO54,29133.0%−23%

56Routt County, COCO25,32934.7%−18%

57Arapahoe County, COCO673,82035.2%−5%

58Gunnison County, COCO17,43936.9%−15%

59Summit County, COCO31,51739.7%−18%

60San Miguel County, COCO7,75340.3%−17%

61Douglas County, COCO399,39640.7%−22%

62Boulder County, COCO328,56042.1%−20%

63Pitkin County, COCO16,62549.8%−13%

SHOWING 1–63 OF 63

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