Towns
| State | City/Town | Town Title |
|---|---|---|
| Colorado | Elbert | Elbert, CO |
| Colorado | Eldorado Springs | Eldorado Springs, CO |
| Colorado | Elizabeth | Elizabeth, CO |
| Colorado | Empire | Empire, CO |
| Colorado | Englewood | Englewood, CO |
| Colorado | Erie | Erie, CO |
| Colorado | Estes Park | Estes Park, CO |
| Colorado | Evans | Evans, CO |
| Colorado | Evergreen | Evergreen, CO |
| Colorado | Fairplay | Fairplay, CO |
| Colorado | Firestone | Firestone, CO |
| Colorado | Flagler | Flagler, CO |
| Colorado | Fleming | Fleming, CO |
| Colorado | Florence | Florence, CO |
| Colorado | Florissant | Florissant, CO |
| Colorado | Fort Collins | Fort Collins, CO |
| Colorado | Fort Garland | Fort Garland, CO |
| Colorado | Fort Lupton | Fort Lupton, CO |
| Colorado | Fort Lyon | Fort Lyon, CO |
| Colorado | Fort Morgan | Fort Morgan, CO |
| Colorado | Fountain | Fountain, CO |
| Colorado | Fowler | Fowler, CO |
| Colorado | Foxton | Foxton, CO |
| Colorado | Franktown | Franktown, CO |
| Colorado | Fraser | Fraser, CO |