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Top 100 Biggest Cities in Colorado

Can you guess the top 100 biggest cities in Colorado?
Includes all municipalities & census-designated places!
According to the 2020 Census
Quiz by
johnsonncn5
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Last updated: October 19, 2025
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First submittedMay 12, 2019
Times taken2,064
Average score30.0%
Rating4.57
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#
City
Population
1
Denver
715,522
2
Colorado Springs
478,961
3
Aurora
386,261
4
Fort Collins
169,810
5
Lakewood
155,984
6
Thornton
141,867
7
Arvada
124,402
8
Westminster
116,317
9
Pueblo
111,876
10
Greeley
108,795
11
Centennial
108,418
12
Boulder
108,250
13
Highlands Ranch
103,444
14
Longmont
98,885
15
Loveland
76,378
16
Broomfield
74,112
17
Castle Rock
73,158
18
Grand Junction
65,560
19
Commerce City
62,418
20
Parker
58,512
21
Littleton
45,652
22
Brighton
40,083
23
Security-Widefield
38,639
24
Northglenn
38,131
25
Dakota Ridge
33,892
26
Ken Caryl
33,811
27
Englewood
33,659
28
Pueblo West
33,086
29
Windsor
32,716
30
Wheat Ridge
32,398
31
Lafayette
30,411
32
Erie
30,038
33
Fountain
29,802
34
Columbine
25,229
#
City
Population
35
Four Square Mile
22,872
36
Evans
22,165
37
Louisville
21,226
38
Clifton
20,413
39
Golden
20,399
40
Montrose
20,291
41
Cimarron Hills
19,311
42
Sherrelwood
19,228
43
Durango
19,071
44
Fort Carson
17,693
45
Johnstown
17,303
46
Cañon City
17,141
47
Firestone
16,381
48
Greenwood Village
15,691
49
Welby
15,553
50
Black Forest
15,097
51
Frederick
14,513
52
Federal Heights
14,382
53
Lone Tree
14,253
54
Sterling
13,735
55
Fruita
13,395
56
Steamboat Springs
13,224
57
Superior
13,094
58
Berkley
12,536
59
Fort Morgan
11,597
60
Cherry Creek
11,488
61
The Pinery
11,311
62
Edwards
11,246
63
Wellington
11,047
64
Castle Pines
11,036
65
Rifle
10,437
66
Monument
10,399
67
Berthoud
10,332
#
City
Population
68
Glenwood Springs
9,963
69
Alamosa
9,806
70
Gunbarrel
9,554
71
Woodmoor
9,536
72
Roxborough Park
9,416
73
Fairmount
9,324
74
Evergreen
9,307
75
Stonegate
9,072
76
Redlands
9,061
77
Craig
9,060
78
Delta
9,035
79
Cortez
8,766
80
Derby
8,407
81
Milliken
8,386
82
Trinidad
8,329
83
Fruitvale
8,271
84
Twin Lakes
8,226
85
Lochbuie
8,088
86
Gypsum
8,040
87
Fort Lupton
7,955
88
Woodland Park
7,920
89
Applewood
7,833
90
Lamar
7,687
91
Severance
7,683
92
Eagle
7,511
93
La Junta
7,322
94
Aspen
7,004
95
Orchard Mesa
6,688
96
Gleneagle
6,649
97
Air Force Academy
6,608
98
Gunnison
6,560
99
Stratmoor
6,518
100
Timnath
6,487
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1 Comments
ManBearPig
+4
Level 54
Jun 10, 2019
The Redlands and orchard mesa are not towns. They are a part of Grand Junction. The Air Force academy is in Colorado Springs.
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