RANKING · 2020 CENSUS · 117 SHOWN OF 117

Largest by population, Colorado cities · 2020

The most populous Colorado cities as of the 2020 population estimates. This list covers the 117 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 2000

01Denver, COCO715,522+29%

02Colorado Springs, COCO478,961+33%

03Aurora, COCO386,261+40%

04Fort Collins, COCO169,810+43%

05Lakewood, COCO155,984+8%

06Thornton, COCO141,867+72%

07Arvada, COCO124,402+22%

08Westminster, COCO116,317+15%

09Pueblo, COCO111,876+10%

10Greeley, COCO108,795+41%

11Centennial, COCO108,418–

12Boulder, COCO108,250+14%

13Highlands Ranch, COCO103,444+46%

14Longmont, COCO98,885+39%

15Loveland, COCO76,378+51%

16Broomfield, COCO74,112+94%

17Castle Rock, COCO73,158+262%

18Grand Junction, COCO65,560+56%

19Commerce City, COCO62,418+197%

20Parker, COCO58,512+148%

21Littleton, COCO45,652+13%

22Brighton, COCO40,083+92%

23Security-Widefield, COCO38,639+29%

24Northglenn, COCO38,131+21%

25Dakota Ridge, COCO33,892–

26Ken Caryl, COCO33,811+9%

27Englewood, COCO33,659+6%

28Pueblo West, COCO33,086+96%

29Windsor, COCO32,716+231%

30Wheat Ridge, COCO32,398−2%

31Lafayette, COCO30,411+31%

32Erie, COCO30,038+377%

33Fountain, COCO29,802+96%

34Columbine, COCO25,229+5%

35Four Square Mile, COCO22,872–

36Evans, COCO22,165+133%

37Louisville, COCO21,226+12%

38Clifton, COCO20,413+18%

39Golden, COCO20,399+19%

40Montrose, COCO20,291+64%

41Cimarron Hills, COCO19,311+27%

42Sherrelwood, COCO19,228+9%

43Durango, COCO19,071+37%

44Fort Carson, COCO17,693+67%

45Johnstown, COCO17,303+352%

46Cañon City, COCO17,141+11%

47Firestone, COCO16,381+759%

48Greenwood, COCO15,691+42%

49Welby, COCO15,553+20%

50Black Forest, COCO15,097+14%

51Frederick, COCO14,513+488%

52Federal Heights, COCO14,382+19%

53Lone Tree, COCO14,253+192%

54Sterling, COCO13,735+21%

55Fruita, COCO13,395+107%

56Steamboat Springs, COCO13,224+35%

57Superior, COCO13,094+45%

58Berkley, COCO12,536+17%

59Fort Morgan, COCO11,597+5%

60Cherry Creek, COCO11,488–

61The Pinery, COCO11,311+56%

62Edwards, COCO11,246+36%

63Wellington, COCO11,047+313%

64Castle Pines, COCO11,036+85%

65Rifle, COCO10,437+54%

66Monument, COCO10,399+428%

67Berthoud, COCO10,332+114%

68Glenwood Springs, COCO9,963+29%

69Alamosa, COCO9,806+23%

70Gunbarrel, COCO9,554+1%

71Woodmoor, COCO9,536+33%

72Roxborough Park, COCO9,416+112%

73Fairmount, COCO9,324–

74Evergreen, COCO9,307+1%

75Stonegate, COCO9,072+44%

76Redlands, COCO9,061+13%

77Craig, COCO9,060−1%

78Delta, COCO9,035+41%

79Cortez, COCO8,766+10%

80Derby, COCO8,407+31%

81Milliken, COCO8,386+190%

82Trinidad, COCO8,329−8%

83Fruitvale, COCO8,271+19%

84Twin Lakes CDP (Adams County), COCO8,226+31%

85Lochbuie, COCO8,088+295%

86Gypsum, COCO8,040+120%

87Fort Lupton, COCO7,955+17%

88Woodland Park, COCO7,920+22%

89Applewood, COCO7,833+10%

90Lamar, COCO7,687−13%

91Severance, COCO7,683+1187%

92Eagle, COCO7,511+148%

93La Junta, COCO7,322−3%

94Aspen, COCO7,004+18%

95Orchard Mesa, COCO6,688+4%

96Gleneagle, COCO6,649+57%

97Air Force Academy, COCO6,608−12%

98Gunnison, COCO6,560+21%

99Stratmoor, COCO6,518−2%

100Timnath, COCO6,487+2809%

101Cherry Hills, COCO6,442+8%

102Carbondale, COCO6,434+24%

103Dacono, COCO6,297+109%

104Sheridan, COCO6,105+9%

105Avon, COCO6,072+9%

106Estes Park, COCO5,904+9%

107Eaton, COCO5,802+116%

108Salida, COCO5,666+3%

109Battlement Mesa, COCO5,438+56%

110Brush, COCO5,339+4%

111Shaw Heights, COCO5,185–

112Breckenridge, COCO5,078+111%

113Todd Creek, COCO5,028+287%

114Meridian, COCO4,786+2501%

115Mead, COCO4,781+137%

116Silverthorne, COCO4,402+38%

117West Pleasant View, COCO4,327+10%

SHOWING 1–117 OF 117

Download CSV (full list, 117 rows)

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