# Cities in Colorado by population, 2025

All 54 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). Norway: Statistics Norway, 1 January. United States: Census Bureau population estimates for 1 July. United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Source: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/population/colorado-cities

| Rank | Place | persons |
|---:|---|---:|
| 1 | Denver, CO | 740,613 |
| 2 | Colorado Springs, CO | 494,743 |
| 3 | Aurora, CO | 410,053 |
| 4 | Fort Collins, CO | 171,500 |
| 5 | Lakewood, CO | 156,927 |
| 6 | Thornton, CO | 147,766 |
| 7 | Arvada, CO | 122,901 |
| 8 | Westminster, CO | 116,182 |
| 9 | Greeley, CO | 115,073 |
| 10 | Pueblo, CO | 110,404 |
| 11 | Centennial, CO | 108,658 |
| 12 | Boulder, CO | 105,689 |
| 13 | Longmont, CO | 100,109 |
| 14 | Castle Rock, CO | 83,815 |
| 15 | Loveland, CO | 81,387 |
| 16 | Broomfield, CO | 79,174 |
| 17 | Commerce City, CO | 72,345 |
| 18 | Grand Junction, CO | 71,827 |
| 19 | Parker, CO | 65,985 |
| 20 | Littleton, CO | 46,246 |
| 21 | Brighton, CO | 45,395 |
| 22 | Windsor, CO | 43,840 |
| 23 | Erie, CO | 40,904 |
| 24 | Northglenn, CO | 38,893 |
| 25 | Englewood, CO | 35,305 |
| 26 | Wheat Ridge, CO | 32,081 |
| 27 | Lafayette, CO | 30,116 |
| 28 | Fountain, CO | 29,450 |
| 29 | Evans, CO | 22,500 |
| 30 | Johnstown, CO | 22,433 |
| 31 | Montrose, CO | 21,583 |
| 32 | Louisville, CO | 20,581 |
| 33 | Golden, CO | 20,390 |
| 34 | Firestone, CO | 20,129 |
| 35 | Durango, CO | 19,733 |
| 36 | Frederick, CO | 18,241 |
| 37 | Cañon City, CO | 17,030 |
| 38 | Castle Pines, CO | 15,583 |
| 39 | Greenwood Village, CO | 15,323 |
| 40 | Lone Tree, CO | 15,278 |
| 41 | Berthoud, CO | 14,080 |
| 42 | Federal Heights, CO | 14,075 |
| 43 | Fruita, CO | 14,003 |
| 44 | Monument, CO | 13,813 |
| 45 | Superior, CO | 13,637 |
| 46 | Steamboat Springs, CO | 13,557 |
| 47 | Sterling, CO | 13,054 |
| 48 | Wellington, CO | 12,169 |
| 49 | Fort Morgan, CO | 11,841 |
| 49 | Severance, CO | 11,841 |
| 51 | Timnath, CO | 11,600 |
| 52 | Rifle, CO | 10,844 |
| 53 | Fort Lupton, CO | 10,402 |
| 54 | Glenwood Springs, CO | 10,395 |