Towns
| State | City/Town | Town Title |
|---|---|---|
| Colorado | La Junta | La Junta, CO |
| Colorado | La Salle | La Salle, CO |
| Colorado | La Veta | La Veta, CO |
| Colorado | Lafayette | Lafayette, CO |
| Colorado | Lake City | Lake City, CO |
| Colorado | Lake George | Lake George, CO |
| Colorado | Lakewood | Lakewood, CO |
| Colorado | Lamar | Lamar, CO |
| Colorado | Larkspur | Larkspur, CO |
| Colorado | Las Animas | Las Animas, CO |
| Colorado | Lazear | Lazear, CO |
| Colorado | Leadville | Leadville, CO |
| Colorado | Lewis | Lewis, CO |
| Colorado | Limon | Limon, CO |
| Colorado | Lindon | Lindon, CO |
| Colorado | Littleton | Littleton, CO |
| Colorado | Livermore | Livermore, CO |
| Colorado | Log Lane Village | Log Lane Village, CO |
| Colorado | Loma | Loma, CO |
| Colorado | Longmont | Longmont, CO |
| Colorado | Louisville | Louisville, CO |
| Colorado | Louviers | Louviers, CO |
| Colorado | Loveland | Loveland, CO |
| Colorado | Lucerne | Lucerne, CO |
| Colorado | Lyons | Lyons, CO |