RANKING · 2025 ESTIMATES · 80 SHOWN OF 80

Most densely populated, Colorado cities

Colorado cities ranked by residents per square mile (2025). This list covers the 80 cities in Colorado that qualify, ranked against each other statewide.

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ColoradoAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most population gained Most population lost Most sparsely populated

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Federal Heights, COCO14,0757,930–

02Englewood, COCO35,3055,381–

03Northglenn, COCO38,8935,284–

04Denver, COCO740,6134,838–

05Thornton, COCO147,7664,048–

06Boulder, COCO105,6893,930–

07Westminster, COCO116,1823,675–

08Littleton, COCO46,2463,665–

09Lakewood, COCO156,9273,611–

10Centennial, COCO108,6583,603–

11Superior, COCO13,6373,467–

12Longmont, COCO100,1093,448–

13Wheat Ridge, COCO32,0813,433–

14Lafayette, COCO30,1163,262–

15Carbondale, COCO6,7623,257–

16Wellington, COCO12,1693,171–

17Arvada, COCO122,9013,153–

18Fort Collins, COCO171,5002,996–

19Parker, COCO65,9852,940–

20Sheridan, COCO5,9722,684–

21Louisville, COCO20,5812,582–

22Aurora, COCO410,0532,516–

23Colorado Springs, COCO494,7432,451–

24Castle Rock, COCO83,8152,412–

25Broomfield, COCO79,1742,402–

26Lochbuie, COCO8,7762,382–

27Greeley, COCO115,0732,328–

28Loveland, COCO81,3872,298–

29Fort Morgan, COCO11,8412,219–

30La Junta, COCO6,8642,148–

31Salida, COCO5,9852,144–

32Evans, COCO22,5002,143–

33Brighton, COCO45,3952,118–

34Golden, COCO20,3902,116–

35Monument, COCO13,8131,981–

36Commerce City, COCO72,3451,980–

37Erie, COCO40,9041,972–

38Pueblo, COCO110,4041,954–

39Brush, COCO5,3371,885–

40Greenwood, COCO15,3231,854–

41Eaton, COCO5,8481,851–

42Glenwood Springs, COCO10,3951,781–

43Grand Junction, COCO71,8271,768–

44Craig, COCO8,8741,749–

45Fruita, COCO14,0031,748–

46Sterling, COCO13,0541,713–

47Windsor, COCO43,8401,682–

48Aspen, COCO6,4891,680–

49Castle Pines, COCO15,5831,624–

50Timnath, COCO11,6001,587–

51Lone Tree, COCO15,2781,557–

52Rifle, COCO10,8441,548–

53Cortez, COCO9,1261,465–

54Lamar, COCO7,5881,455–

55Johnstown, COCO22,4331,453–

56Firestone, COCO20,1291,448–

57Gunnison, COCO6,8361,410–

58Cañon City, COCO17,0301,372–

59Steamboat Springs, COCO13,5571,371–

60Durango, COCO19,7331,338–

61Silverthorne, COCO5,4181,334–

62Fountain, COCO29,4501,318–

63Severance, COCO11,8411,300–

64Eagle, COCO7,2801,246–

65Alamosa, COCO9,8491,237–

66Woodland Park, COCO8,0141,212–

67Frederick, COCO18,2411,199–

68Montrose, COCO21,5831,143–

69Berthoud, COCO14,0801,083–

70Gypsum, COCO9,2121,042–

71Cherry Hills, COCO6,3891,029–

72Estes Park, COCO5,780863–

73Trinidad, COCO8,091862–

74Breckenridge, COCO5,015830–

75Fort Lupton, COCO10,402803–

76Avon, COCO6,184743–

77Delta, COCO9,802738–

78Dacono, COCO6,844738–

79Milliken, COCO9,183703–

80Mead, COCO7,042468–

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES