The 1912 United States presidential election in Missouri took place on November 5, 1912, as part of the 1912 United States presidential election. Voters chose 18 representatives, or electors, to the Electoral College, who voted for president and vice president.

Douglas County is a county located in the south-central portion of the U.S. state of Missouri. As of the 2020 census, the population was 11,578. The county seat and only incorporated community is Ava. The county was officially organized on October 19, 1857, and is named after U.S. Senator Stephen A. Douglas (D-Illinois) and later Democratic presidential candidate.