GIS Map
RankingsColoradoLargest by population

Largest Cities in Colorado by Population

The top 25 of 54 Colorado cities on GIS Map, ranked by total population.

#CityPopulation
1Denver
718,877
2Colorado Springs
487,887
3Aurora
394,432
4Fort Collins
170,229
5Lakewood
156,583
6Thornton
144,187
7Arvada
122,634
8Westminster
115,484
9Pueblo
111,561
10Greeley
110,806
11Centennial
108,201
12Boulder
106,433
13Longmont
99,406
14Castle Rock
79,123
15Loveland
78,410
16Broomfield
76,304
17Grand Junction
68,142
18Commerce City
66,445
19Parker
61,783
20Littleton
44,710
21Brighton
42,059
22Northglenn
38,014
23Windsor
37,914
24Security-Widefield
37,345
25Pueblo West
35,681

Top Colorado Counties

Counties ranked by total population.

1. El Paso County742,9992. Denver County718,8773. Arapahoe County659,8444. Jefferson County579,3775. Adams County530,2256. Douglas County377,1507. Larimer County367,3688. Weld County350,3969. Boulder County328,96110. Pueblo County169,356

Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates. Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Largest Cities in Colorado by Population”, https://gismap.land/rankings/colorado/largest-cities. Figures from U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.

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