Counties in Colorado El Paso County (Colorado Springs) Denver County (Denver) Arapahoe County (Littleton) Jefferson County (Golden) Adams County (Brighton) Larimer County (Fort Collins) Douglas County (Castle Rock) Boulder County (Boulder) Weld County (Greeley) Pueblo County (Pueblo) Mesa County (Grand Junction) Broomfield County (Broomfield) Garfield County (Glenwood Springs) Eagle County (Eagle) La Plata County (Durango) Fremont County (Canon City) Montrose County (Montrose) Delta County (Delta) Summit County (Breckenridge) Morgan County (Fort Morgan) Elbert County (Kiowa) Montezuma County (Cortez) Routt County (Steamboat Springs) Teller County (Cripple Creek) Logan County (Sterling) Chaffee County (Salida) Otero County (La Junta) Park County (Fairplay) Pitkin County (Aspen) Gunnison County (Gunnison) Alamosa County (Alamosa) Grand County (Hot Sulphur Springs) Las Animas County (Trinidad) Archuleta County (Pagosa Springs) Moffat County (Craig) Prowers County (Lamar) Rio Grande County (Del Norte) Yuma County (Wray) Clear Creek County (Georgetown) San Miguel County (Telluride) Conejos County (Conejos) Lake County (Leadville) Kit Carson County (Burlington) Huerfano County (Walsenburg) Rio Blanco County (Meeker) Saguache County (Saguache) Crowley County (Ordway) Gilpin County (Central City) Lincoln County (Hugo) Bent County (Las Animas) Ouray County (Ouray) Washington County (Akron) Custer County (Westcliffe) Phillips County (Holyoke) Baca County (Springfield) Costilla County (San Luis) Sedgwick County (Julesburg) Dolores County (Dove Creek) Cheyenne County (Cheyenne Wells) Kiowa County (Eads) Jackson County (Walden) Mineral County (Creede) Hinsdale County (Lake City) San Juan County (Silverton)