The 1900 United States presidential election in North Dakota took place on November 6, 1900. All contemporary 45 states were part of the 1900 United States presidential election. Voters chose three electors to the Electoral College, which selected the president and vice president. North Dakota was won by the Republican nominees, incumbent President William McKinley of Ohio and his running mate Theodore Roosevelt of New York. McKinley won the state but a margin of 26.59%.