| City/Town | Counties |
| ArvadaCity of Arvada | Jefferson, Adams |
| AuroraCity of Aurora | Arapahoe, Adams, Douglas |
| BasaltTown of Basalt | Eagle, Pitkin |
| BennettTown of Bennett | Adams, Arapahoe |
| BerthoudTown of Berthoud | Larimer, Weld |
| Bow MarTown of Bow Mar | Arapahoe, Jefferson |
| BrightonCity of Brighton | Adams, Weld |
| CenterTown of Center | Rio Grande, Saguache |
| Central CityCity of Central | Gilpin, Clear Creek |
| ErieTown of Erie | Boulder, Weld |
| Green Mountain FallsTown of Green Mountain Falls | El Paso, Teller |
| JohnstownTown of Johnstown | Weld, Larimer |
| LittletonCity of Littleton | Arapahoe, Jefferson, Douglas |
| LochbuieTown of Lochbuie | Weld, Adams |
| LongmontCity of Longmont | Boulder, Weld |
| NorthglennCity of Northglenn | Adams, Weld |
| SuperiorTown of Superior | Boulder, Jefferson |
| ThorntonCity of Thornton | Adams, Weld |
| WestminsterCity of Westminster | Adams, Jefferson |
| WindsorTown of Windsor | Weld, Larimer |
