The 1984 United States presidential election in West Virginia took place on November 6, 1984. All 50 states and the District of Columbia, were part of the 1984 United States presidential election. West Virginia voters chose 6 electors to the Electoral College, which selected the president and vice president of the United States. West Virginia was won by incumbent United States President Ronald Reagan of California, who was running against former Vice President Walter Mondale of Minnesota. Reagan ran for a second time with incumbent Vice President and former C.I.A. Director George H. W. Bush of Texas, and Mondale ran with Representative Geraldine Ferraro of New York, the first major female candidate for the vice presidency.

McDowell County is a county in the U.S. state of West Virginia. As of the 2020 census, the population was 19,111. Its county seat is Welch. McDowell County is the southernmost county in the state. It was created in 1858 by the Virginia General Assembly and named for Virginia Governor James McDowell. It became a part of West Virginia in 1863, when several Union-affiliated counties seceded from the state of Virginia during the American Civil War. McDowell County is located in the Cumberland Mountains, part of the Appalachia region.