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 (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

RANKPLACESTATEPOPGRADUATE DEGREEVS 2000

01Jackson County, COCO1,2112.0%−70%

02Sedgwick County, COCO2,2472.0%−46%

03Washington County, COCO4,7322.1%−42%

04Kiowa County, COCO1,4122.5%−59%

05Cheyenne County, COCO1,7132.6%−23%

06Dolores County, COCO2,4662.6%−25%

07Crowley County, COCO5,6772.7%−56%

08Yuma County, COCO9,8962.9%−27%

09Lincoln County, COCO5,6453.2%−35%

10Conejos County, COCO7,5293.3%−39%

11Morgan County, COCO30,3063.5%−23%

12Saguache County, COCO6,7323.6%−52%

13Adams County, COCO554,6683.6%−25%

14Costilla County, COCO3,6793.7%−4%

15Baca County, COCO3,3473.7%−15%

16Montezuma County, COCO26,6784.2%−51%

17Las Animas County, COCO14,3914.2%−33%

18Moffat County, COCO13,1224.2%+4%

19Huerfano County, COCO7,0114.2%−37%

20Logan County, COCO20,6544.3%−20%

21Elbert County, COCO30,5344.3%−39%

22Fremont County, COCO50,0394.4%−15%

23Bent County, COCO5,7164.4%+56%

24Otero County, COCO17,6834.5%−16%

25Custer County, COCO5,5904.5%−55%

26Phillips County, COCO4,4204.5%−23%

27Prowers County, COCO11,8844.6%+5%

28Chaffee County, COCO20,8314.7%−42%

29Delta County, COCO32,1784.9%−4%

30Pueblo County, COCO169,2775.0%−22%

31Mineral County, COCO9105.1%−51%

32Rio Blanco County, COCO6,6835.2%−22%

33Kit Carson County, COCO7,0695.5%+5%

34Mesa County, COCO162,8455.6%−24%

35Garfield County, COCO63,4745.8%−7%

36Archuleta County, COCO14,3065.8%−39%

37Montrose County, COCO44,5915.8%+8%

38Hinsdale County, COCO7535.9%−39%

39Eagle County, COCO54,2916.3%−37%

40Weld County, COCO378,4266.4%−10%

41Rio Grande County, COCO11,0876.9%+41%

42Lake County, COCO7,5527.0%+12%

43San Juan County, COCO8137.3%−54%

44Grand County, COCO16,4967.3%−22%

45Teller County, COCO24,7567.7%−24%

46Routt County, COCO25,3297.8%−32%

47Park County, COCO18,3148.0%+4%

48Summit County, COCO31,5178.7%−27%

49El Paso County, COCO757,0409.1%−22%

50La Plata County, COCO56,8989.2%−24%

51San Miguel County, COCO7,7539.3%−22%

52Pitkin County, COCO16,6259.5%−44%

53Jefferson County, COCO580,4519.5%−21%

54Alamosa County, COCO16,6889.6%−17%

55Clear Creek County, COCO8,9949.9%−30%

56Denver County, COCO740,61310.6%−14%

57Gilpin County, COCO6,07310.7%+5%

58Arapahoe County, COCO673,82010.7%−11%

59Ouray County, COCO5,26510.9%−18%

60Douglas County, COCO399,39611.8%−23%

61Gunnison County, COCO17,43911.9%−1%

62Larimer County, COCO377,29212.1%−16%

63Boulder County, COCO328,56016.4%−23%

SHOWING 1–63 OF 63

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