Political party strength in New Mexico has been divided between the Democratic Party and the Republican Party.
Since the 2008 presidential election the state has been considered a safe blue state.
As of July 2025, New Mexico's registered voters include 570,873 Democrats (42.1%), 436,647 Republicans (32.2%), 26,864 "Other" (2%), and 320,988 Unaffiliated (23.7%).
The following table indicates the party of elected officials in the U.S. state of New Mexico.
The table also indicates the historical party composition in the:
For years in which a presidential election was held, the table indicates which party's nominees received the state's electoral votes.