RANKING · 1990 CENSUS · 63 SHOWN OF 63

Most educated, Colorado counties · 1990

Colorado counties ranked by the share of adults 25+ holding a bachelor's degree or higher (1990 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 –

01Pitkin County, COCO16,62549.8%–

02Boulder County, COCO328,56042.1%–

03Douglas County, COCO399,39640.7%–

04San Miguel County, COCO7,75340.3%–

05Summit County, COCO31,51739.7%–

06Gunnison County, COCO17,43936.9%–

07Arapahoe County, COCO673,82035.2%–

08Routt County, COCO25,32934.7%–

09Eagle County, COCO54,29133.0%–

10Larimer County, COCO377,29232.3%–

11Hinsdale County, COCO75332.0%–

12Clear Creek County, COCO8,99431.2%–

13Jefferson County, COCO580,45130.7%–

14Grand County, COCO16,49630.2%–

15Gilpin County, COCO6,07329.5%–

16Denver County, COCO740,61329.0%–

17La Plata County, COCO56,89828.1%–

18Ouray County, COCO5,26527.9%–

19Teller County, COCO24,75626.4%–

20El Paso County, COCO757,04025.8%–

21Alamosa County, COCO16,68824.1%–

22San Juan County, COCO81324.0%–

23Park County, COCO18,31422.4%–

24Garfield County, COCO63,47421.6%–

25Elbert County, COCO30,53419.8%–

26Archuleta County, COCO14,30619.7%–

27Custer County, COCO5,59019.2%–

28Weld County, COCO378,42618.4%–

29Mineral County, COCO91017.9%–

30Rio Grande County, COCO11,08717.5%–

31Mesa County, COCO162,84517.4%–

32Moffat County, COCO13,12216.4%–

33Lake County, COCO7,55216.2%–

34Montezuma County, COCO26,67815.9%–

35Kit Carson County, COCO7,06915.8%–

36Montrose County, COCO44,59115.4%–

37Rio Blanco County, COCO6,68315.4%–

38Jackson County, COCO1,21115.3%–

39Chaffee County, COCO20,83115.2%–

40Bent County, COCO5,71614.6%–

41Saguache County, COCO6,73214.4%–

42Phillips County, COCO4,42014.2%–

43Logan County, COCO20,65414.2%–

44Pueblo County, COCO169,27714.0%–

45Delta County, COCO32,17813.6%–

46Baca County, COCO3,34713.6%–

47Yuma County, COCO9,89613.4%–

48Otero County, COCO17,68313.0%–

49Adams County, COCO554,66813.0%–

50Lincoln County, COCO5,64512.9%–

51Las Animas County, COCO14,39112.7%–

52Huerfano County, COCO7,01112.6%–

53Prowers County, COCO11,88412.2%–

54Cheyenne County, COCO1,71311.9%–

55Washington County, COCO4,73211.8%–

56Fremont County, COCO50,03911.8%–

57Morgan County, COCO30,30611.7%–

58Conejos County, COCO7,52910.7%–

59Costilla County, COCO3,67910.5%–

60Dolores County, COCO2,4669.8%–

61Kiowa County, COCO1,4129.1%–

62Sedgwick County, COCO2,2478.6%–

63Crowley County, COCO5,6778.0%–

SHOWING 1–63 OF 63

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS