United States presidential elections in New Mexico

Since New Mexico's admission to the Union in January 1912, it has participated in 29 United States presidential elections.

In the state's first presidential election, in 1912, Theodore Roosevelt, the Progressive Party's nominee, received the highest vote share (17.1%) ever won by a third-party candidate in New Mexico. The largest margin of victory in a presidential election in New Mexico's history was in 1932, when Democrat Franklin D. Roosevelt defeated Republican Herbert Hoover by 26.96%. The narrowest margin of victory was in 2000 presidential election, when Democrat Al Gore won New Mexico defeated Republican George W. Bush by a margin of just 0.06% (366 votes).

Up to the 2024 presidential election, New Mexico has been a leading indicator of election trends with a success rate of 86.2%; the winner in New Mexico has won the presidency 25 out of 29 times, except in the 1976, 2000, 2016, 2024 presidential elections. New Mexico has aligned with the national popular vote in every election except 1976 and 2024 since its admission to the union.

New Mexico is a signatory of the National Popular Vote Interstate Compact, an interstate compact in which signatories award all of their electoral votes to the winner of the national-level popular vote in a presidential election, even if another candidate won an individual signatory's popular vote. As of 2021, it has not yet gone into force.