The 2016 United States presidential election in New Mexico 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. New Mexico 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. New Mexico has five electoral votes in the Electoral College.

Sandoval County is located in the U.S. state of New Mexico. As of the 2020 census, the population was 148,834, making it the fourth-most populous county in New Mexico. The county seat is Bernalillo.