Deb Haaland Democratic Melanie Stansbury Democratic A special election was held on June 1, 2021, to fill the vacancy in New Mexico's 1st congressional district created by Representative Deb Haaland's resignation from the United States House of Representatives to become the Secretary of the Interior in Joe Biden's administration.

State Senator Mark Moores, radio host Eddy Aragon and activist Elisa Martinez sought the Republican nomination.

[1] Representative Michelle Lujan Grisham of New Mexico's 1st congressional district announced in 2016, that she would seek the Democratic nomination for the 2018 gubernatorial election.

[4] Haaland was selected by President Joe Biden to serve as Secretary of the Interior and she was approved by the United States Senate by a vote of fifty-one to forty.

[37][38] Organizations Aubrey Dunn Jr., who had served as the New Mexico Commissioner of Public Lands as a Republican and Libertarian, filed to run as an independent for the seat on January 8, 2021.