RANKING · 2020 CENSUS · 117 SHOWN OF 117

Most uninsured people, Colorado cities · 2020

Colorado cities 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 117 cities in Colorado that qualify, ranked against each other statewide. The median across all 117 is 972.

ColoradoAll statesPop > 5KAll rankings

SAME RANKING BYCounties 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, COCO740,61368,142–

02Aurora, COCO410,05343,710–

03Colorado Springs, COCO494,74335,497–

04Thornton, COCO147,76612,805–

05Lakewood, COCO156,92711,709–

06Greeley, COCO115,07310,399–

07Fort Collins, COCO171,5009,866–

08Pueblo, COCO110,4048,330–

09Westminster, COCO116,1828,170–

10Longmont, COCO100,1095,992–

11Arvada, COCO122,9015,895–

12Grand Junction, COCO71,8275,701–

13Loveland, COCO81,3875,222–

14Commerce City, COCO72,3454,457–

15Boulder, COCO105,6894,382–

16Broomfield, COCO79,1744,176–

17Centennial, COCO108,6583,663–

18Castle Rock, COCO83,8153,200–

19Northglenn, COCO38,8933,060–

20Brighton, COCO45,3953,030–

21Englewood, COCO35,3052,998–

22Security-Widefield, COCO37,3452,911–

23Highlands Ranch, COCO102,2572,788–

24Federal Heights, COCO14,0752,744–

25Littleton, COCO46,2462,638–

26Parker, COCO65,9852,443–

27Sherrelwood, COCO18,6922,430–

28Welby, COCO16,1972,397–

29Clifton, COCO19,5182,381–

30Four Square Mile, COCO23,0242,341–

31Evans, COCO22,5002,185–

32Montrose, COCO21,5831,976–

33Wheat Ridge, COCO32,0811,962–

34Glenwood Springs, COCO10,3951,934–

35Derby, COCO8,4531,881–

36Rifle, COCO10,8441,829–

37Cimarron Hills, COCO19,8171,745–

38Berkley, COCO10,7891,737–

39Pueblo West, COCO35,6811,678–

40Durango, COCO19,7331,613–

41Sterling, COCO13,0541,452–

42Carbondale, COCO6,7621,384–

43Dakota Ridge, COCO33,7531,353–

44Windsor, COCO43,8401,342–

45Avon, COCO6,1841,313–

46Edwards, COCO10,7851,306–

47Craig, COCO8,8741,294–

48Fruita, COCO14,0031,274–

49Fort Morgan, COCO11,8411,144–

50Lochbuie, COCO8,7761,138–

51Fountain, COCO29,4501,133–

52Ken Caryl, COCO33,2331,113–

53Cañon City, COCO17,0301,067–

54Steamboat Springs, COCO13,5571,063–

55Firestone, COCO20,1291,054–

56Alamosa, COCO9,8491,049–

57Lafayette, COCO30,1161,046–

58Black Forest, COCO15,738981–

59Breckenridge, COCO5,015972–

60Fort Lupton, COCO10,402943–

61Delta, COCO9,802930–

62Fruitvale, COCO8,019849–

63Erie, COCO40,904837–

64Berthoud, COCO14,080808–

65Silverthorne, COCO5,418802–

66Cortez, COCO9,126801–

67Twin Lakes CDP (Adams County), COCO8,030777–

68Columbine, COCO25,478750–

69Lamar, COCO7,588729–

70Gunnison, COCO6,836725–

71Woodland Park, COCO8,014700–

72Golden, COCO20,390686–

73Johnstown, COCO22,433683–

74Eagle, COCO7,280667–

75Aspen, COCO6,489654–

76Gunbarrel, COCO10,051621–

77Milliken, COCO9,183612–

78Salida, COCO5,985612–

79West Pleasant View, COCO5,051591–

80Trinidad, COCO8,091590–

81Shaw Heights, COCO5,565576–

82Stratmoor, COCO5,412520–

83Frederick, COCO18,241517–

84Lone Tree, COCO15,278507–

85Dacono, COCO6,844504–

86Estes Park, COCO5,780503–

87La Junta, COCO6,864502–

88Gypsum, COCO9,212500–

89Sheridan, COCO5,972474–

90Superior, COCO13,637472–

91Monument, COCO13,813434–

92Louisville, COCO20,581421–

93Castle Pines, COCO15,583391–

94Brush, COCO5,337378–

95Orchard Mesa, COCO6,945377–

96Battlement Mesa, COCO5,755371–

97Mead, COCO7,042362–

98Greenwood, COCO15,323340–

99Wellington, COCO12,169327–

100Meridian, COCO5,634317–

101Roxborough Park, COCO9,085305–

102Redlands, COCO8,868300–

103Woodmoor, COCO8,934282–

104Fairmount, COCO9,902261–

105Eaton, COCO5,848244–

106Applewood, COCO8,350241–

107Severance, COCO11,841236–

108Cherry Creek, COCO10,721222–

109Cherry Hills, COCO6,389173–

110Evergreen, COCO8,602167–

111Gleneagle, COCO6,440167–

112Todd Creek, COCO5,379166–

113The Pinery, COCO11,871135–

114Fort Carson, COCO18,019106–

115Stonegate, COCO8,906103–

116Timnath, COCO11,60027–

117Air Force Academy, COCO6,7278–

SHOWING 1–117 OF 117

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