RANKING · 2020 CENSUS · 64 SHOWN OF 64

Most uninsured people, Colorado counties · 2020

Colorado counties with the most residents lacking health insurance, as of the 2020 American Community Survey. Ranked by number of people, not the uninsured rate. This list covers the 64 counties in Colorado that qualify, ranked against each other statewide. The median across all 64 is 1,566.

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SAME RANKING BYCities States Metros

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Largest senior population Most unmarried people Most unmarried men

RANKPLACESTATEPOPUNINSURED RESIDENTSVS –

01Denver County, COCO740,61368,142–

02Adams County, COCO554,66851,909–

03Arapahoe County, COCO673,82050,808–

04El Paso County, COCO757,04048,427–

05Jefferson County, COCO580,45130,317–

06Weld County, COCO378,42627,740–

07Larimer County, COCO377,29220,839–

08Boulder County, COCO328,56014,420–

09Mesa County, COCO162,84514,312–

10Douglas County, COCO399,39612,076–

11Pueblo County, COCO169,27711,001–

12Garfield County, COCO63,47410,465–

13Eagle County, COCO54,2916,531–

14La Plata County, COCO56,8984,984–

15Montrose County, COCO44,5914,883–

16Summit County, COCO31,5174,669–

17Broomfield County, COCO79,1744,176–

18Montezuma County, COCO26,6783,322–

19Delta County, COCO32,1782,834–

20Morgan County, COCO30,3062,744–

21Fremont County, COCO50,0392,518–

22Logan County, COCO20,6542,108–

23Teller County, COCO24,7562,045–

24Chaffee County, COCO20,8312,026–

25Grand County, COCO16,4961,990–

26Routt County, COCO25,3291,821–

27Alamosa County, COCO16,6881,769–

28Moffat County, COCO13,1221,706–

29Park County, COCO18,3141,704–

30Archuleta County, COCO14,3061,678–

31Elbert County, COCO30,5341,592–

32Otero County, COCO17,6831,566–

33Pitkin County, COCO16,6251,554–

34Gunnison County, COCO17,4391,462–

35Prowers County, COCO11,8841,284–

36Rio Grande County, COCO11,0871,283–

37Lake County, COCO7,5521,181–

38Yuma County, COCO9,8961,173–

39Clear Creek County, COCO8,9941,078–

40Las Animas County, COCO14,3911,020–

41Conejos County, COCO7,529935–

42San Miguel County, COCO7,753778–

43Saguache County, COCO6,732760–

44Kit Carson County, COCO7,069734–

45Rio Blanco County, COCO6,683701–

46Phillips County, COCO4,420578–

47Ouray County, COCO5,265558–

48Huerfano County, COCO7,011534–

49Custer County, COCO5,590502–

50Costilla County, COCO3,679425–

51Bent County, COCO5,716371–

52Gilpin County, COCO6,073327–

53Crowley County, COCO5,677309–

54Baca County, COCO3,347278–

55Sedgwick County, COCO2,247223–

56Lincoln County, COCO5,645187–

57Washington County, COCO4,732187–

58Cheyenne County, COCO1,713132–

59Mineral County, COCO910129–

60Hinsdale County, COCO753118–

61Jackson County, COCO1,211118–

62Dolores County, COCO2,466105–

63San Juan County, COCO81371–

64Kiowa County, COCO1,41244–

SHOWING 1–64 OF 64

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS