Largest Cities in Colorado

Top 100 cities ranked by largest cities

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All Countries · United States · Colorado

Largest Cities — Colorado

1 Denver 713,734

2 Colorado Springs 483,099

3 Aurora 390,201

4 Fort Collins 169,705

5 Lakewood 156,309

6 Thornton 142,878

7 Arvada 122,835

8 Westminster 115,546

9 Pueblo 111,514

10 Greeley 109,421

11 Centennial 107,386

12 Boulder 106,274

13 Highlands Ranch 101,437

14 Longmont 98,958

15 Loveland 77,350

16 Castle Rock 76,614

17 Broomfield 75,110

18 Grand Junction 67,027

19 Commerce City 64,640

20 Parker 60,115

21 Littleton 45,092

22 Brighton 41,196

23 Security-Widefield 38,659

24 Northglenn 37,953

25 Windsor 35,918

26 Pueblo West 34,992

27 Dakota Ridge 34,159

28 Englewood 33,774

29 Ken Caryl 33,407

30 Wheat Ridge 32,158

31 Erie 31,927

32 Lafayette 30,471

33 Fountain 29,327

34 Columbine 25,681

35 Evans 22,265

36 Four Square Mile 21,788

37 Louisville 20,788

38 Montrose 20,703

39 Golden 20,467

40 Clifton 19,746

41 Sherrelwood 19,368

42 Durango 19,257

43 Cimarron Hills 18,808

44 Fort Carson 18,447

45 Johnstown 18,075

46 Firestone 17,353

47 Cañon City 17,098

48 Welby 16,232

49 Frederick 15,893

50 Greenwood Village 15,485

51 Black Forest 14,658

52 Federal Heights 14,160

53 Lone Tree 14,136

54 Fruita 13,578

55 Steamboat Springs 13,341

56 Sterling 13,273

57 Superior 13,136

58 Castle Pines 12,573

59 The Pinery 11,740

60 Berthoud 11,684

61 Wellington 11,538

62 Fort Morgan 11,521

63 Monument 11,035

64 Cherry Creek 11,011

65 Berkley 10,838

66 Fairmount 10,521

67 Rifle 10,466

68 Gunbarrel 10,424

69 Edwards 10,415

70 Glenwood Springs 10,171

71 Alamosa 9,847

72 Roxborough Park 9,365

73 Severance 9,302

74 Delta 9,266

75 Stonegate 9,164

76 Craig 9,022

77 Cortez 8,898

78 Woodmoor 8,819

79 Redlands 8,771

80 Milliken 8,695

81 Derby 8,692

82 Evergreen 8,643

83 Fort Lupton 8,494

84 Gypsum 8,481

85 Trinidad 8,309

86 Twin Lakes CDP (Adams County) 8,279

87 Lochbuie 8,142

88 Applewood 8,120

89 Timnath 8,007

90 Fruitvale 7,998

91 Woodland Park 7,909

92 Lamar 7,629

93 Eagle 7,479

94 La Junta 7,211

95 Aspen 6,862

96 Gunnison 6,712

97 Air Force Academy 6,701

98 Orchard Mesa 6,597

99 Carbondale 6,553

100 Dacono 6,419

The largest cities in Colorado represent major centers of economic activity, cultural influence, and population growth. Denver leads with a population of 713,734, followed by Colorado Springs and Aurora. These cities serve as hubs for employment, education, and innovation, attracting residents from across the country and around the world.

Population size is a key indicator of a city's economic influence and infrastructure capacity. Larger cities typically offer more diverse job markets, extensive public transit systems, and a wider range of cultural amenities. CO dominates the top 10 with 10 cities on the list, reflecting the state's strong economic pull and quality of life.

While large populations bring economic advantages, they also present challenges including higher costs of living, traffic congestion, and housing affordability concerns. Many of these cities have experienced significant growth over the past decade, driven by job opportunities in technology, healthcare, and professional services.

Did You Know?

1. Denver's population is larger than that of many small nations.
2. CO has 10 cities in the top 10, more than any other state.
3. The 50th largest city still has a population of 15,485 — larger than most cities worldwide.
4. The top 5 cities combined have a population of 1,913,048.

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