Most Populated Cities in Colorado
Cities ranked by total population · 50 cities · Updated 2026-04-05
This ranking shows the most populated cities in Colorado based on data from the US Census Bureau's American Community Survey (ACS) 5-Year Estimates. All 50 cities are sorted by total population from highest to lowest. Denver leads the ranking with a value of 713,734 and a population of 713,734.
The top three cities are Denver (713,734), Colorado Springs (483,099), and Aurora (390,201). Data is updated nightly from official Census APIs. Click any city name to view its full demographic profile, or see the national most populated cities ranking to compare across all 50 states. You can also explore all cities in Colorado.
| Rank | City | Value | Population |
|---|---|---|---|
| #1 | Denver | 713,734 | 713,734 |
| #2 | Colorado Springs | 483,099 | 483,099 |
| #3 | Aurora | 390,201 | 390,201 |
| #4 | Fort Collins | 169,705 | 169,705 |
| #5 | Lakewood | 156,309 | 156,309 |
| #6 | Thornton | 142,878 | 142,878 |
| #7 | Arvada | 122,835 | 122,835 |
| #8 | Westminster | 115,546 | 115,546 |
| #9 | Pueblo | 111,514 | 111,514 |
| #10 | Greeley | 109,421 | 109,421 |
| #11 | Centennial | 107,386 | 107,386 |
| #12 | Boulder | 106,274 | 106,274 |
| #13 | Highlands Ranch | 101,437 | 101,437 |
| #14 | Longmont | 98,958 | 98,958 |
| #15 | Loveland | 77,350 | 77,350 |
| #16 | Castle Rock | 76,614 | 76,614 |
| #17 | Broomfield | 75,110 | 75,110 |
| #18 | Grand Junction | 67,027 | 67,027 |
| #19 | Commerce City | 64,640 | 64,640 |
| #20 | Parker | 60,115 | 60,115 |
| #21 | Littleton | 45,092 | 45,092 |
| #22 | Brighton | 41,196 | 41,196 |
| #23 | Security-Widefield | 38,659 | 38,659 |
| #24 | Northglenn | 37,953 | 37,953 |
| #25 | Windsor | 35,918 | 35,918 |
| #26 | Pueblo West | 34,992 | 34,992 |
| #27 | Dakota Ridge | 34,159 | 34,159 |
| #28 | Englewood | 33,774 | 33,774 |
| #29 | Ken Caryl | 33,407 | 33,407 |
| #30 | Wheat Ridge | 32,158 | 32,158 |
| #31 | Erie | 31,927 | 31,927 |
| #32 | Lafayette | 30,471 | 30,471 |
| #33 | Fountain | 29,327 | 29,327 |
| #34 | Columbine | 25,681 | 25,681 |
| #35 | Evans | 22,265 | 22,265 |
| #36 | Four Square Mile | 21,788 | 21,788 |
| #37 | Louisville | 20,788 | 20,788 |
| #38 | Montrose | 20,703 | 20,703 |
| #39 | Golden | 20,467 | 20,467 |
| #40 | Clifton | 19,746 | 19,746 |
| #41 | Sherrelwood | 19,368 | 19,368 |
| #42 | Durango | 19,257 | 19,257 |
| #43 | Cimarron Hills | 18,808 | 18,808 |
| #44 | Fort Carson | 18,447 | 18,447 |
| #45 | Johnstown | 18,075 | 18,075 |
| #46 | Firestone | 17,353 | 17,353 |
| #47 | Cañon City | 17,098 | 17,098 |
| #48 | Welby | 16,232 | 16,232 |
| #49 | Frederick | 15,893 | 15,893 |
| #50 | Greenwood Village | 15,485 | 15,485 |
Frequently Asked Questions
What city has the most populated in Colorado?
Denver ranks #1 for most populated cities in Colorado with a value of 713,734 and a population of 713,734.
How many cities are ranked for most populated cities in Colorado?
There are 50 cities ranked for most populated cities in Colorado. Rankings are based on data from the US Census Bureau's American Community Survey.
How does Colorado compare to other states for most populated cities?
You can compare Colorado's city rankings to other states or view the national ranking at our national most populated cities page, which lists the top 100 cities across all 50 states.