Costilla County Colorado - Government Site
Population: 3,378
Area: 1227 square miles
County Seat: San Luis
Area Code(s) in use: 719
Time Zone: MST
Adjacent counties:
Alamosa Colfax (NM) Conejos Huerfano Las Animas Taos (NM)
Airport
Blanca Airport, Escheman Landing Strips, San Luis Airport, Skinkle Landing Strip
Basin
Beccerro Basin, Blanca Basin
Canal
Cerritos Canal, Cerro Ditch Number 1, Cerro Ditch Number 2, Chalifa Ditch, Eastdale Branch Cerro Canal, Eastdale Canal Number 2, Eastdale Culebra Canal, Garland Ditch, Indian Creek Ditch, Jaroso Ditch, Mesa Ditch, Reservoir Ditch, San Acacio Stock Ditch Number 1, San Acacio Stock Ditch Number 2, San Luis Peoples Ditch, San Pedro Ditch Number 1, San Pedro Ditch Number 2, Sanchez Canal
Cemetery
Brennaman Cemetery, Chama Cemetery, Fort Garland Cemetery, Jaroso Cemetery, Mac Mullan Cemetery, Myer Cemetery, Old Town Cemetery, San Pedro Cemetery
Church
CaC1on Church
Civil
Costilla County, Sangre de Cristo Grant
Dam
Eastdale Number 1 Dam, Eastdale Number 2 Dam, Forbes Park Dam, Mesito Dam, Mountain Home Dam, Salazar Number 1 Dam, Salazar Number 2 Dam, Sanchez Dam, Sanchez Stabilizing Dam, Smith Dam
Flat
Big Meadow, Burro Park, Devils Park, Elk Park, Indian Park, McCarty Park, McDowell Park
Gap
North La Veta Pass, Pass Creek Pass, Sangre de Cristo Pass, Veta Pass, Whiskey Pass
Lake
Carneros Lake, Glacier Lakes, Leandro Lake, Lost Lake, Strawberry Lake, Winchell Lakes
Locale
Arrowhead Ranch, Mallet Vega Camp, McCarty Cow Camp, McClintock, Mortimer, Red Gate Corral, Sierra, Sky Valley Ranch, Taylor Ranch, Trinchera Ranch
Mine
Copper King Mine, East Blackmore Tract Mine, El Plomo Mine, Jake and Hank Mine, Lone Star of the West Mine, Midnight Mine, Mineral Ridge Mine, Monte Cristo Mine, Paul H Mine, Plomo Mine, San Luis Project Mine, Star of the West Group Mine
Populated Place
Blanca, Chama, Eastdale, Fir, Fort Garland, Garcia, Garland City (historical), Jaroso, La Valley, La Veta Pass, Los Fuertes, Mesita, Russell, San Acacio, San Luis, San Pablo, San Pedro, Viejo San Acacio
Range
Culebra Range, Sangre de Cristo Mountains
Reservoir
Anderson Reservoir, Eastdale Reservoir Number 1, Eastdale Reservoir Number 2, Forbes Park Lake, Garcia Tank, Mesito Reservoir, Mountain Home Reservoir, Salazar Number 1 Reservoir, Salazar Number 2 Reservoir, Salzar Reservoir, Sanchez Reservoir, Sanchez Stabilizing Reservoir, Smith Reservoir, Stabilization Reservoir, Willow Creek Reservoir
Ridge
Cuchilla Alta
School
Centennial Elementary / High School, San Luis High School (historical), Sierra Grande Elementary School
Spring
Cat Spring
Stream
Abbot Creek, Alamosito Creek, Barbara Creek, Bear Creek, Bernardino Creek, Blanca Creek, Carneros Creek, Costilla Creek, Costilla Creek, Costilla Creek, Cottonwood Creek, Cuates Creek, Cuchilla Alta Creek, Culebra Creek, Duling Creek, East Bear Creek, East Fork Costilla Creek, East Fork Costilla Creek, East Fork Costilla Creek, East Fork Ute Creek, El Fragoso Creek, El Pedregoso Creek, El Perdido Creek, El Poso Creek, El Rito de Aban, El Valle Creek, Fish Creek, Grayback Creek, Ikes Creek, Jarocito Creek, Jarocito Creek, Jarocito Creek, Jaroso Creek, Johnson Creek, Las Vigas Creek, Little Ute Creek, Little Vermejo Creek, Little Vermejo Creek, Little Vermejo Creek, Malo Vega Creek, Middle Fork Placer Creek, Mill Creek, Missouri Creek, North Fork Trinchera Creek, North Fork West Indian Creek, North Vallejos Creek, Ojito Creek, Placer Creek, Rito Agua Azul, Rito Seco, San Francisco Creek, Sangre de Cristo Creek, South Fork Placer Creek, South Fork West Indian Creek, Torcido Creek, Ute Creek, Vallejos Creek, Vallejos Creek, Vega Creek, Ventero Creek, Ventero Creek, Ventero Creek, Wagon Creek, West Fork Costilla Creek, West Fork Costilla Creek, West Fork Costilla Creek, West Indian Creek, Whiskey Creek, Wilkins Creek, Willow Creek, Willow Creek, Willow Creek, Willow Creek
Summit
Beaubien Peak, Brownie Hills, Buck Mountain, Cat Mountain, Cuatro Peak, Culebra Peak, De Anza Peak, Francisco Peak, Hamilton Peak, Harrison Peak, Lone Rock Hill, Mesita Hill, Miranda Peak, Mount Lindsey, Music Mesa, Ojito Peak, Purgatoire Peak, Red Mountain, San Pedro Mesa, State Line Peak, Sugar Loaf, Teddys Peak, Trinchera Peak, Vermejo Peak, Wagon Mesa
Valley
American Gulch, Apache Canyon, Arlen Gulch, Baker Canyon, Banana Canyon, Black Canyon, Blind Canyon, Blind Canyon, Bronco Dan Gulch, Buckskin Gulch, Canova Canyon, Chimney Canyon, Cottonwood Gulch, Coyote Canyon, Death Valley, Deep Canyon, El Puertesito, Flume Gulch, Fox Canyon, Gomer Gulch, Jarioso Canyon, Kennedy Gulch, Mexican Canyon, Palmer Gulch, Sawmill Canyon, Sawmill Gulch, Spanish Gulch, Spring Gulch, Spring Gulch, Squirrel Canyon, Stearns Gulch, Strawberry Gulch, The Box, Toll Canyon
Well
Craven Well, Sharbert Well
| Race | Population |
| White |  3,096 |
| American Indian | 116 |
| Mixed | 77 |
| Asian | 36 |
| Black | 35 |
| Hawaiian & Pacific Islander | 18 |
| Additional population tables : | |
| State population table | |
| Colorado population by county | |