RANKING · 2010 CENSUS · 111 SHOWN OF 111

Fastest shrinking, Colorado cities · 2010

Colorado cities with the steepest population decline from the 2000 census to 2010. This list covers the 111 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 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Castle Pines, COCO15,583-39.3%–

02Lamar, COCO7,588-12.0%−290%

03Air Force Academy, COCO6,727-11.2%−34%

04Wheat Ridge, COCO32,081-8.3%−170%

05La Junta, COCO6,864-6.5%+588%

06Federal Heights, COCO14,075-5.0%−117%

07Salida, COCO5,985-4.9%−130%

08Englewood, COCO35,305-4.6%−158%

09Twin Lakes CDP (Adams County), COCO8,030-3.2%–

10Louisville, COCO20,581-3.0%−106%

11West Pleasant View, COCO5,051-2.3%–

12Evergreen, COCO8,602-1.9%−109%

13Gunbarrel, COCO10,051-1.8%−498%

14Black Forest, COCO15,738-1.0%−102%

15Lakewood, COCO156,927-0.8%−106%

16Trinidad, COCO8,091+0.2%−97%

17Cherry Hills, COCO6,389+0.5%−96%

18Applewood, COCO8,350+0.5%−101%

19Columbine, COCO25,478+0.8%+39%

20Sheridan, COCO5,972+1.1%−91%

21Fort Morgan, COCO11,841+2.5%−88%

22Boulder, COCO105,689+2.9%−79%

23Craig, COCO8,874+3.0%−78%

24Littleton, COCO46,246+3.5%−83%

25Sherrelwood, COCO18,692+3.6%−42%

26Stratmoor, COCO5,412+3.8%−72%

27Arvada, COCO122,901+4.2%−71%

28Berkley, COCO10,789+4.3%–

29Pueblo, COCO110,404+4.4%+24%

30Ken Caryl, COCO33,233+5.0%−81%

31Westminster, COCO116,182+5.1%−85%

32Lafayette, COCO30,116+5.4%−91%

33Berthoud, COCO14,080+5.5%−91%

34Orchard Mesa, COCO6,945+5.9%−27%

35Cañon City, COCO17,030+6.3%−69%

36Cortez, COCO9,126+6.3%−33%

37Cimarron Hills, COCO19,817+6.4%−82%

38Brush, COCO5,337+6.8%−71%

39Redlands, COCO8,868+8.0%−157%

40Denver, COCO740,613+8.2%−56%

41Estes Park, COCO5,780+8.2%−88%

42Gunnison, COCO6,836+8.2%−51%

43Fort Lupton, COCO10,402+8.7%−72%

44Golden, COCO20,390+10.0%−67%

45Security-Widefield, COCO37,345+10.2%–

46Alamosa, COCO9,849+10.3%+94%

47Woodland Park, COCO8,014+10.5%−75%

48Fruitvale, COCO8,019+10.7%−68%

49Aspen, COCO6,489+12.6%−27%

50Northglenn, COCO38,893+13.3%−17%

51Welby, COCO16,197+14.4%−46%

52Clifton, COCO19,518+14.7%−60%

53Colorado Springs, COCO494,743+15.4%−46%

54Avon, COCO6,184+15.9%−92%

55Aurora, COCO410,053+17.6%−28%

56Derby, COCO8,453+19.6%+212%

57Greeley, COCO115,073+20.7%−23%

58Durango, COCO19,733+21.3%+77%

59Longmont, COCO100,109+21.3%−44%

60Fort Collins, COCO171,500+21.4%−39%

61Silverthorne, COCO5,418+21.6%−74%

62Woodmoor, COCO8,934+21.8%−75%

63Steamboat Springs, COCO13,557+23.2%−50%

64Carbondale, COCO6,762+23.7%–

65Glenwood Springs, COCO10,395+24.3%+36%

66Edwards, COCO10,785+24.3%–

67Greenwood, COCO15,323+26.2%−42%

68Battlement Mesa, COCO5,755+27.9%−80%

69Sterling, COCO13,054+30.1%+214%

70Fort Carson, COCO18,019+30.7%−568%

71Loveland, COCO81,387+32.1%−9%

72Rifle, COCO10,844+35.2%−24%

73Highlands Ranch, COCO102,257+36.3%−94%

74Dacono, COCO6,844+37.7%+6%

75Superior, COCO13,637+38.5%−99%

76Delta, COCO9,802+39.3%−43%

77Grand Junction, COCO71,827+39.5%−11%

78Stonegate, COCO8,906+42.6%–

79Thornton, COCO147,766+44.2%−11%

80The Pinery, COCO11,871+45.0%−7%

81Broomfield, COCO79,174+46.0%−17%

82Montrose, COCO21,583+55.0%+40%

83Gleneagle, COCO6,440+55.7%−60%

84Brighton, COCO45,395+59.5%+26%

85Eaton, COCO5,848+62.3%+67%

86Mead, COCO7,042+68.8%−78%

87Fountain, COCO29,450+70.1%+34%

88Pueblo West, COCO35,681+75.4%−74%

89Gypsum, COCO9,212+77.3%−29%

90Windsor, COCO43,840+88.4%−7%

91Breckenridge, COCO5,015+88.5%+1%

92Parker, COCO65,985+92.3%−72%

93Milliken, COCO9,183+94.3%+13%

94Evans, COCO22,500+94.8%+53%

95Fruita, COCO14,003+95.2%+58%

96Roxborough Park, COCO9,085+104.7%–

97Lone Tree, COCO15,278+109.7%–

98Eagle, COCO7,280+114.6%+25%

99Commerce City, COCO72,345+118.7%+332%

100Lochbuie, COCO8,776+130.6%+73%

101Wellington, COCO12,169+135.4%+40%

102Castle Rock, COCO83,815+138.5%+5%

103Johnstown, COCO22,433+158.3%+11%

104Timnath, COCO11,600+180.3%+508%

105Monument, COCO13,813+180.6%+94%

106Erie, COCO40,904+188.3%−53%

107Todd Creek, COCO5,379+190.1%–

108Frederick, COCO18,241+251.8%+68%

109Severance, COCO11,841+430.2%−7%

110Firestone, COCO20,129+431.8%+966%

111Meridian, COCO5,634+1514.1%–

SHOWING 1–111 OF 111

Download CSV (full list, 111 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS