Largest Cities in Colorado
Cities ranked by total population from the Census Bureau. 50 cities ranked from official U.S. government data.
Largest Cities 50
1 Colorado Springs
742,999
2 Security-Widefield
742,999
3 Fountain
742,999
4 Cimarron Hills
742,999
5 Fort Carson
742,999
6 Black Forest
742,999
7 Denver
718,877
8 Centennial
659,844
9 Littleton
659,844
10 Southglenn
659,844
11 Englewood
659,844
12 Castlewood
659,844
13 Greenwood Village
659,844
14 Cherry Creek
659,844
15 Lakewood
579,377
16 Arvada
579,377
17 Ken Caryl
579,377
18 Wheat Ridge
579,377
19 Columbine
579,377
20 Golden
579,377
21 Aurora
530,225
22 Thornton
530,225
23 Westminster
530,225
24 Commerce City
530,225
25 Northglenn
530,225
26 Brighton
530,225
27 Sherrelwood
530,225
28 Welby
530,225
29 Lone Tree
530,225
30 Federal Heights
530,225
31 Berkley
530,225
32 Highlands Ranch
377,150
33 Castle Rock
377,150
34 Parker
377,150
35 The Pinery
377,150
36 Fort Collins
367,368
37 Loveland
367,368
38 Greeley
350,396
39 Windsor
350,396
40 Evans
350,396
41 Johnstown
350,396
42 Firestone
350,396
43 Frederick
350,396
44 Boulder
328,961
45 Longmont
328,961
46 Lafayette
328,961
47 Erie
328,961
48 Louisville
328,961
49 Superior
328,961
50 Pueblo
169,356
More Colorado Rankings 8
Data Sources
Population and economic data from the Census Bureau American Community Survey (2022 5-year estimates). Health data from the CDC PLACES (2023).