Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Lakewood (city), CO | 155,984 |
| 2 | Arvada (city), CO | 124,402 |
| 3 | Centennial (city), CO | 108,418 |
| 4 | Highlands Ranch (CDP), CO | 103,444 |
| 5 | Castle Rock (town), CO | 73,158 |
| 6 | Parker (town), CO | 58,512 |
| 7 | Littleton (city), CO | 45,652 |
| 8 | Dakota Ridge (CDP), CO | 33,892 |
| 9 | Ken Caryl (CDP), CO | 33,811 |
| 10 | Englewood (city), CO | 33,659 |
| 11 | Wheat Ridge (city), CO | 32,398 |
| 12 | Columbine (CDP), CO | 25,229 |
| 13 | Four Square Mile (CDP), CO | 22,872 |
| 14 | Golden (city), CO | 20,399 |
| 15 | Sherrelwood (CDP), CO | 19,228 |
| 16 | Greenwood Village (city), CO | 15,691 |
| 17 | Lone Tree (city), CO | 14,253 |
| 18 | Berkley (CDP), CO | 12,536 |
| 19 | Cherry Creek (CDP), CO | 11,488 |
| 20 | Castle Pines (city), CO | 11,036 |
Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Lakewood (city), CO | 155,984 |
| 2 | Centennial (city), CO | 108,418 |
| 3 | Highlands Ranch (CDP), CO | 103,444 |
| 4 | Castle Rock (town), CO | 73,158 |
| 5 | Parker (town), CO | 58,512 |
| 6 | Littleton (city), CO | 45,652 |
| 7 | Dakota Ridge (CDP), CO | 33,892 |
| 8 | Ken Caryl (CDP), CO | 33,811 |
| 9 | Englewood (city), CO | 33,659 |
| 10 | Columbine (CDP), CO | 25,229 |
| 11 | Golden (city), CO | 20,399 |
| 12 | Greenwood Village (city), CO | 15,691 |
| 13 | Lone Tree (city), CO | 14,253 |
| 14 | Cherry Creek (CDP), CO | 11,488 |
| 15 | Castle Pines (city), CO | 11,036 |
| 16 | Roxborough Park (CDP), CO | 9,416 |
| 17 | Stonegate (CDP), CO | 9,072 |
| 18 | Cherry Hills Village (city), CO | 6,442 |
| 19 | Sheridan (city), CO | 6,105 |
| 20 | Dove Valley (CDP), CO | 5,640 |