RANKING · 2020 CENSUS · 116 SHOWN OF 116

Fastest shrinking, Colorado cities

Colorado cities with the steepest population decline since the prior decennial census. This list covers the 116 cities in Colorado that qualify, ranked against each other statewide.

Flip the list · Fastest growing, US cities →

ColoradoAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Trinidad, COCO8,091-8.4%−245%

02Sterling, COCO13,054-7.1%−174%

03Avon, COCO6,184-5.8%−103%

04Stratmoor, COCO5,412-5.5%−141%

05Craig, COCO8,874-4.3%−131%

06Brush, COCO5,337-2.3%−110%

07Orchard Mesa, COCO6,945-2.2%−127%

08Lamar, COCO7,588-1.5%−124%

09Air Force Academy, COCO6,727-1.1%−94%

10Carbondale, COCO6,762+0.1%–

11Gleneagle, COCO6,440+0.6%−100%

12Estes Park, COCO5,780+0.8%−99%

13Stonegate, COCO8,906+1.2%–

14Delta, COCO9,802+1.3%−98%

15Shaw Heights, COCO5,565+1.3%–

16Fort Morgan, COCO11,841+2.5%−89%

17Clifton, COCO19,518+2.6%−93%

18Evergreen, COCO8,602+3.0%−86%

19Gunbarrel, COCO10,051+3.1%+586%

20Cherry Creek, COCO10,721+3.3%–

21Cortez, COCO9,126+3.3%−65%

22La Junta, COCO6,864+3.5%−467%

23Roxborough Park, COCO9,085+3.5%–

24Glenwood Springs, COCO10,395+3.6%−80%

25Columbine, COCO25,478+3.9%+610%

26Ken Caryl, COCO33,233+4.2%−84%

27Redlands, COCO8,868+4.3%−131%

28Cañon City, COCO17,030+4.5%−78%

29Welby, COCO16,197+4.8%−82%

30Superior, COCO13,637+4.9%−100%

31Pueblo, COCO110,404+5.0%+40%

32Sherrelwood, COCO18,692+5.1%−16%

33Aspen, COCO6,489+5.2%−70%

34Dakota Ridge, COCO33,753+5.9%–

35Fruita, COCO14,003+5.9%−90%

36Montrose, COCO21,583+6.1%−85%

37Northglenn, COCO38,893+6.5%−59%

38Highlands Ranch, COCO102,257+7.0%−99%

39Wheat Ridge, COCO32,081+7.4%−38%

40The Pinery, COCO11,871+7.5%−84%

41Cherry Hills, COCO6,389+7.6%−44%

42Fruitvale, COCO8,019+7.8%−76%

43Sheridan, COCO5,972+7.8%−38%

44Fort Lupton, COCO10,402+7.8%−75%

45Centennial, COCO108,658+8.0%–

46Golden, COCO20,390+8.1%−73%

47Salida, COCO5,985+8.2%−50%

48Lakewood, COCO156,927+9.1%−35%

49Woodmoor, COCO8,934+9.1%−89%

50Littleton, COCO46,246+9.4%−53%

51Derby, COCO8,453+9.4%+49%

52Steamboat Springs, COCO13,557+9.4%−80%

53Applewood, COCO8,350+9.4%−126%

54Edwards, COCO10,785+9.5%–

55Westminster, COCO116,182+9.6%−73%

56Woodland Park, COCO8,014+10.0%−76%

57Boulder, COCO105,689+11.2%−18%

58Englewood, COCO35,305+11.3%+41%

59Pueblo West, COCO35,681+11.6%−96%

60Alamosa, COCO9,849+11.7%+120%

61Breckenridge, COCO5,015+11.9%−86%

62Berkley, COCO10,789+11.9%–

63Grand Junction, COCO71,827+11.9%−73%

64Gunnison, COCO6,836+12.1%−28%

65Greenwood, COCO15,323+12.7%−72%

66West Pleasant View, COCO5,051+12.7%–

67Durango, COCO19,733+12.9%+8%

68Silverthorne, COCO5,418+13.2%−84%

69Rifle, COCO10,844+13.8%−70%

70Loveland, COCO81,387+14.2%−60%

71Longmont, COCO100,109+14.6%−61%

72Colorado Springs, COCO494,743+15.0%−47%

73Black Forest, COCO15,738+15.1%−76%

74Fountain, COCO29,450+15.3%−71%

75Eagle, COCO7,280+15.4%−83%

76Louisville, COCO20,581+15.5%−71%

77Arvada, COCO122,901+16.9%+15%

78Greeley, COCO115,073+17.1%−37%

79Security-Widefield, COCO37,345+17.5%–

80Fort Collins, COCO171,500+17.9%−49%

81Aurora, COCO410,053+18.8%−23%

82Denver, COCO740,613+19.2%+3%

83Thornton, COCO147,766+19.4%−61%

84Cimarron Hills, COCO19,817+19.5%−46%

85Evans, COCO22,500+19.6%−68%

86Brighton, COCO45,395+20.2%−57%

87Battlement Mesa, COCO5,755+21.6%−85%

88Fairmount, COCO9,902+23.3%–

89Gypsum, COCO9,212+24.1%−78%

90Lafayette, COCO30,116+24.4%−59%

91Federal Heights, COCO14,075+25.4%−13%

92Fort Carson, COCO18,019+28.1%−528%

93Parker, COCO65,985+29.2%−91%

94Broomfield, COCO79,174+32.6%−41%

95Eaton, COCO5,848+32.9%−12%

96Todd Creek, COCO5,379+33.4%–

97Twin Lakes CDP (Adams County), COCO8,030+34.8%–

98Commerce City, COCO72,345+35.9%+31%

99Lone Tree, COCO15,278+39.5%–

100Mead, COCO7,042+40.4%−87%

101Milliken, COCO9,183+49.5%−41%

102Dacono, COCO6,844+51.7%+45%

103Castle Rock, COCO83,815+51.7%−61%

104Meridian, COCO5,634+61.1%–

105Firestone, COCO20,129+61.4%+52%

106Erie, COCO40,904+65.6%−84%

107Frederick, COCO18,241+67.2%−55%

108Lochbuie, COCO8,776+71.1%−6%

109Johnstown, COCO22,433+75.0%−47%

110Windsor, COCO43,840+75.5%−21%

111Wellington, COCO12,169+75.7%−22%

112Monument, COCO13,813+88.0%−6%

113Berthoud, COCO14,080+102.4%+66%

114Severance, COCO11,841+142.7%−69%

115Castle Pines, COCO15,583+205.4%–

116Timnath, COCO11,600+937.9%+3063%

SHOWING 1–116 OF 116

Download CSV (full list, 116 rows)

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