Missouri 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.

[3] Trump's 18.5-point margin of victory in the state was almost double that of Mitt Romney's from 2012.

No votes were cast for Libertarian Party candidates in the northwestern counties of Harrison, Holt, Mercer, and Worth.

[5] Republican Donald Trump won every pre-election poll conducted here except one.

The average of the last three polls had Donald Trump leading Democrat Hillary Clinton 50% to 39%.