The 2016 United States presidential election in Iowa 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. Iowa voters chose electors to represent them in the Electoral College via a popular vote, pitting the Republican Party's nominee, businessman Donald Trump, and his running mate Indiana Governor Mike Pence against the Democratic Party nominee, former Secretary of State Hillary Clinton, and her running mate Virginia Senator Tim Kaine. Iowa has six electoral votes in the Electoral College.

The 1980 United States presidential election in Iowa took place on November 4, 1980. All 50 states and The District of Columbia were part of the 1980 United States presidential election. Voters chose eight electors to the Electoral College, who voted for president and vice president.