RANKING · 2000 CENSUS · 99 SHOWN OF 99

Fastest shrinking, Colorado cities · 2000

Colorado cities with the steepest population decline since the prior decennial census. This list covers the 99 cities in Colorado that qualify, ranked against each other statewide.

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ColoradoAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Applewood, COCO8,350-35.6%+0%

02Air Force Academy, COCO6,727-16.9%+0%

03Redlands, COCO8,868-14.0%+0%

04Fort Carson, COCO18,019-6.6%+0%

05La Junta, COCO6,864-0.9%+0%

06Gunbarrel, COCO10,051+0.5%+0%

07Columbine, COCO25,478+0.6%+0%

08Pueblo, COCO110,404+3.5%+0%

09Alamosa, COCO9,849+5.3%+0%

10Trinidad, COCO8,091+5.8%+0%

11Sherrelwood, COCO18,692+6.1%+0%

12Derby, COCO8,453+6.3%+0%

13Lamar, COCO7,588+6.3%+0%

14Englewood, COCO35,305+8.0%+0%

15Orchard Mesa, COCO6,945+8.0%+0%

16Cortez, COCO9,126+9.5%+0%

17Sterling, COCO13,054+9.6%+0%

18Wheat Ridge, COCO32,081+11.9%+0%

19Durango, COCO19,733+12.0%+0%

20Sheridan, COCO5,972+12.5%+0%

21Craig, COCO8,874+13.6%+0%

22Cherry Hills, COCO6,389+13.6%+0%

23Stratmoor, COCO5,412+13.6%+0%

24Boulder, COCO105,689+13.6%+0%

25Lakewood, COCO156,927+14.0%+0%

26Arvada, COCO122,901+14.7%+0%

27Northglenn, COCO38,893+16.1%+0%

28Salida, COCO5,985+16.3%+0%

29Gunnison, COCO6,836+16.7%+0%

30Aspen, COCO6,489+17.1%+0%

31Glenwood Springs, COCO10,395+17.9%+0%

32Denver, COCO740,613+18.6%+0%

33Littleton, COCO46,246+19.8%+0%

34Cañon City, COCO17,030+20.5%+0%

35Evergreen, COCO8,602+21.6%+0%

36Fort Morgan, COCO11,841+21.7%+0%

37Brush, COCO5,337+23.0%+0%

38Aurora, COCO410,053+24.4%+0%

39Ken Caryl, COCO33,233+26.6%+0%

40Welby, COCO16,197+27.0%+0%

41Greeley, COCO115,073+27.1%+0%

42Commerce City, COCO72,345+27.5%+0%

43Colorado Springs, COCO494,743+28.4%+0%

44Federal Heights, COCO14,075+29.1%+0%

45Timnath, COCO11,600+29.7%+0%

46Golden, COCO20,390+30.6%+0%

47Fort Lupton, COCO10,402+31.5%+0%

48Fruitvale, COCO8,019+32.8%+0%

49Fort Collins, COCO171,500+35.2%+0%

50Westminster, COCO116,182+35.3%+0%

51Loveland, COCO81,387+35.4%+0%

52Dacono, COCO6,844+35.6%+0%

53Cimarron Hills, COCO19,817+36.1%+0%

54Clifton, COCO19,518+36.9%+0%

55Eaton, COCO5,848+37.3%+0%

56Longmont, COCO100,109+38.0%+0%

57Montrose, COCO21,583+39.4%+0%

58Firestone, COCO20,129+40.5%+0%

59Woodland Park, COCO8,014+41.3%+0%

60Grand Junction, COCO71,827+44.6%+0%

61Greenwood, COCO15,323+45.4%+0%

62Rifle, COCO10,844+46.3%+0%

63Steamboat Springs, COCO13,557+46.6%+0%

64Brighton, COCO45,395+47.2%+0%

65The Pinery, COCO11,871+48.5%+0%

66Thornton, COCO147,766+49.7%+0%

67Fountain, COCO29,450+52.2%+0%

68Louisville, COCO20,581+53.2%+0%

69Broomfield, COCO79,174+55.3%+0%

70Lafayette, COCO30,116+59.4%+0%

71Fruita, COCO14,003+60.1%+0%

72Berthoud, COCO14,080+61.8%+0%

73Evans, COCO22,500+61.9%+0%

74Black Forest, COCO15,738+62.7%+0%

75Delta, COCO9,802+68.9%+0%

76Estes Park, COCO5,780+71.1%+0%

77Lochbuie, COCO8,776+75.4%+0%

78Silverthorne, COCO5,418+81.9%+0%

79Milliken, COCO9,183+83.6%+0%

80Woodmoor, COCO8,934+86.0%+0%

81Breckenridge, COCO5,015+87.4%+0%

82Eagle, COCO7,280+91.9%+0%

83Monument, COCO13,813+93.2%+0%

84Windsor, COCO43,840+95.5%+0%

85Wellington, COCO12,169+96.8%+0%

86Gypsum, COCO9,212+108.8%+0%

87Castle Rock, COCO83,815+132.2%+0%

88Gleneagle, COCO6,440+138.5%+0%

89Battlement Mesa, COCO5,755+140.7%+0%

90Johnstown, COCO22,433+142.4%+0%

91Frederick, COCO18,241+149.7%+0%

92Avon, COCO6,184+209.3%+0%

93Pueblo West, COCO35,681+285.3%+0%

94Mead, COCO7,042+313.3%+0%

95Parker, COCO65,985+332.3%+0%

96Erie, COCO40,904+398.1%+0%

97Severance, COCO11,841+463.2%+0%

98Highlands Ranch, COCO102,257+596.7%+0%

99Superior, COCO13,637+3490.0%+0%

SHOWING 1–99 OF 99

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