The 2016 United States presidential election in Colorado was held on Tuesday, November 8, 2016, as part of the 2016 United States presidential election in which all 50 states plus the District of Columbia participated. Colorado voters chose electors to represent them in the Electoral College via a popular vote, pitting the Republican Party's nominee, businessman Donald Trump, and running mate Indiana Governor Mike Pence against Democratic Party nominee, former Secretary of State Hillary Clinton, and her running mate Virginia Senator Tim Kaine. Colorado has nine electoral votes in the Electoral College.

Alamosa County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 16,376. The county seat is Alamosa. The county name is the Spanish language word for a grove of cottonwood trees.