RANKING · 1990 CENSUS · 63 SHOWN OF 63

Fewest graduate degrees, Colorado counties · 1990

Colorado counties with the smallest share of adults 25+ holding a graduate or professional degree (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

RANKPLACESTATEPOPGRADUATE DEGREEVS –

01Jackson County, COCO1,2112.0%–

02Sedgwick County, COCO2,2472.0%–

03Washington County, COCO4,7322.1%–

04Kiowa County, COCO1,4122.5%–

05Cheyenne County, COCO1,7132.6%–

06Dolores County, COCO2,4662.6%–

07Crowley County, COCO5,6772.7%–

08Yuma County, COCO9,8962.9%–

09Lincoln County, COCO5,6453.2%–

10Conejos County, COCO7,5293.3%–

11Morgan County, COCO30,3063.5%–

12Saguache County, COCO6,7323.6%–

13Adams County, COCO554,6683.6%–

14Costilla County, COCO3,6793.7%–

15Baca County, COCO3,3473.7%–

16Montezuma County, COCO26,6784.2%–

17Las Animas County, COCO14,3914.2%–

18Moffat County, COCO13,1224.2%–

19Huerfano County, COCO7,0114.2%–

20Logan County, COCO20,6544.3%–

21Elbert County, COCO30,5344.3%–

22Fremont County, COCO50,0394.4%–

23Bent County, COCO5,7164.4%–

24Otero County, COCO17,6834.5%–

25Custer County, COCO5,5904.5%–

26Phillips County, COCO4,4204.5%–

27Prowers County, COCO11,8844.6%–

28Chaffee County, COCO20,8314.7%–

29Delta County, COCO32,1784.9%–

30Pueblo County, COCO169,2775.0%–

31Mineral County, COCO9105.1%–

32Rio Blanco County, COCO6,6835.2%–

33Kit Carson County, COCO7,0695.5%–

34Mesa County, COCO162,8455.6%–

35Garfield County, COCO63,4745.8%–

36Archuleta County, COCO14,3065.8%–

37Montrose County, COCO44,5915.8%–

38Hinsdale County, COCO7535.9%–

39Eagle County, COCO54,2916.3%–

40Weld County, COCO378,4266.4%–

41Rio Grande County, COCO11,0876.9%–

42Lake County, COCO7,5527.0%–

43San Juan County, COCO8137.3%–

44Grand County, COCO16,4967.3%–

45Teller County, COCO24,7567.7%–

46Routt County, COCO25,3297.8%–

47Park County, COCO18,3148.0%–

48Summit County, COCO31,5178.7%–

49El Paso County, COCO757,0409.1%–

50La Plata County, COCO56,8989.2%–

51San Miguel County, COCO7,7539.3%–

52Pitkin County, COCO16,6259.5%–

53Jefferson County, COCO580,4519.5%–

54Alamosa County, COCO16,6889.6%–

55Clear Creek County, COCO8,9949.9%–

56Denver County, COCO740,61310.6%–

57Gilpin County, COCO6,07310.7%–

58Arapahoe County, COCO673,82010.7%–

59Ouray County, COCO5,26510.9%–

60Douglas County, COCO399,39611.8%–

61Gunnison County, COCO17,43911.9%–

62Larimer County, COCO377,29212.1%–

63Boulder County, COCO328,56016.4%–

SHOWING 1–63 OF 63

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