RANKING · 2000 CENSUS · 111 SHOWN OF 111

Largest by population, Colorado cities · 2000

The most populous Colorado cities as of the 2000 population estimates. This list covers the 111 cities in Colorado that qualify, ranked against each other statewide.

ColoradoAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 1990

01Denver, COCO554,636+19%

02Colorado Springs, COCO360,890+28%

03Aurora, COCO276,393+24%

04Lakewood, COCO144,126+14%

05Fort Collins, COCO118,652+35%

06Arvada, COCO102,153+15%

07Pueblo, COCO102,121+4%

08Westminster, COCO100,940+35%

09Boulder, COCO94,673+14%

10Thornton, COCO82,384+50%

11Greeley, COCO76,930+27%

12Longmont, COCO71,093+38%

13Highlands Ranch, COCO70,931+597%

14Loveland, COCO50,608+35%

15Grand Junction, COCO41,986+45%

16Littleton, COCO40,340+20%

17Broomfield, COCO38,272+55%

18Wheat Ridge, COCO32,913+12%

19Englewood, COCO31,727+8%

20Northglenn, COCO31,575+16%

21Ken Caryl, COCO30,887+27%

22Security-Widefield, COCO29,845–

23Columbine, COCO24,095+1%

24Parker, COCO23,558+332%

25Lafayette, COCO23,197+59%

26Commerce City, COCO20,991+27%

27Brighton, COCO20,905+47%

28Castle Rock, COCO20,224+132%

29Louisville, COCO18,937+53%

30Sherrelwood, COCO17,657+6%

31Clifton, COCO17,345+37%

32Golden, COCO17,159+31%

33Pueblo West, COCO16,899+285%

34Cañon City, COCO15,431+21%

35Fountain, COCO15,197+52%

36Cimarron Hills, COCO15,194+36%

37Durango, COCO13,922+12%

38Black Forest, COCO13,247+63%

39Welby, COCO12,973+27%

40Montrose, COCO12,344+39%

41Federal Heights, COCO12,065+29%

42Sterling, COCO11,360+10%

43Greenwood, COCO11,035+45%

44Fort Morgan, COCO11,034+22%

45Berkley, COCO10,743–

46Fort Carson, COCO10,566−7%

47Windsor, COCO9,896+95%

48Steamboat Springs, COCO9,815+47%

49Evans, COCO9,514+62%

50Gunbarrel, COCO9,435+0%

51Evergreen, COCO9,216+22%

52Craig, COCO9,189+14%

53Trinidad, COCO9,078+6%

54Superior, COCO9,011+3490%

55Lamar, COCO8,869+6%

56Edwards, COCO8,257–

57Redlands, COCO8,043−14%

58Cortez, COCO7,977+10%

59Alamosa, COCO7,960+5%

60Glenwood Springs, COCO7,736+18%

61La Junta, COCO7,568−1%

62Air Force Academy, COCO7,526−17%

63The Pinery, COCO7,253+48%

64Woodmoor, COCO7,177+86%

65Applewood, COCO7,123−36%

66Fruitvale, COCO6,936+33%

67Fort Lupton, COCO6,787+31%

68Rifle, COCO6,784+46%

69Stratmoor, COCO6,650+14%

70Woodland Park, COCO6,515+41%

71Fruita, COCO6,478+60%

72Orchard Mesa, COCO6,456+8%

73Derby, COCO6,423+6%

74Delta, COCO6,400+69%

75Twin Lakes CDP (Adams County), COCO6,301–

76Erie, COCO6,291+398%

77Stonegate, COCO6,284–

78Castle Pines, COCO5,958–

79Cherry Hills, COCO5,958+14%

80Aspen, COCO5,914+17%

81Sheridan, COCO5,600+13%

82Avon, COCO5,561+209%

83Salida, COCO5,504+16%

84Estes Park, COCO5,413+71%

85Gunnison, COCO5,409+17%

86Carbondale, COCO5,196–

87Brush, COCO5,117+23%

88Lone Tree, COCO4,873–

89Berthoud, COCO4,839+62%

90Roxborough Park, COCO4,446–

91Gleneagle, COCO4,246+139%

92West Pleasant View, COCO3,932–

93Johnstown, COCO3,827+142%

94Gypsum, COCO3,654+109%

95Battlement Mesa, COCO3,497+141%

96Silverthorne, COCO3,196+82%

97Eagle, COCO3,032+92%

98Dacono, COCO3,015+36%

99Milliken, COCO2,888+84%

100Eaton, COCO2,690+37%

101Wellington, COCO2,672+97%

102Frederick, COCO2,467+150%

103Breckenridge, COCO2,408+87%

104Lochbuie, COCO2,049+75%

105Mead, COCO2,017+313%

106Monument, COCO1,971+93%

107Firestone, COCO1,908+41%

108Todd Creek, COCO1,299–

109Severance, COCO597+463%

110Timnath, COCO223+30%

111Meridian, COCO184–

SHOWING 1–111 OF 111

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