|Alamosa County Colorado Cities/Towns - Alamosa (County Seat), Hooper, Mosca
|Your Ad Here|
Alamosa County is a county in the State of Colorado of the United States. The county population was 16,654 at U.S. Census 2016. The county seat is the City of Alamosa.
The county name is the Spanish language word for a "grove of cottonwood trees". Alamosa County was created by the Colorado legislature on March 8, 1913 out of northeastern Costilla County.