Alamosa County, Colorado
Alamosa County sits in southern Colorado, in the heart of the San Luis Valley. The landscape is mostly flat, with the Sangre de Cristo Mountains rising along the eastern side. The Rio Grande flows through the county, supporting local farms and wetlands.
Alamosa serves as the county seat and largest community. The area experiences very cold winters and hot summers, while agriculture remains an important part of the local economy, particularly potato farming. Alamosa County also has a rich history, including Spanish land grants and the arrival of the railroad.
The county’s wetlands provide important habitat for abundant wildlife, especially migratory birds. Great Sand Dunes National Park and Preserve is nearby and attracts visitors with its massive sand dunes and surrounding mountain scenery. Alamosa is also home to Adams State University, giving the rural county an active educational and cultural presence.
| Category | Details |
|---|---|
| County Name | Alamosa County |
| County Seat | Alamosa |
| Etymology | Named after the Alamosa River, which is derived from the Spanish word for “cottonwood” |
| Cities, Towns, and Communities | Alamosa, Center, La Jara, Mosca, Hooper |
| Interstates and Highways | US 160, US 285 |
| FIPS Code | 08-003 |
| Total Area (Land and Water) | 2,763 square miles (Land: 2,763 sq mi, Water: 0 sq mi) |
| Adjacent Counties (and Direction) | Saguache County (North), Huerfano County (East), Costilla County (Southeast), Conejos County (Southwest), Rio Grande County (West) |
| Time Zone | Mountain Standard Time (MST) |
| State | Colorado |
| Population | Approximately 20,000 |
| Coordinates | 37.4688° N, 105.8657° W |
| Major Landmarks | Great Sand Dunes National Park, Alamosa National Wildlife Refuge |
