Martin Heinrich

In the 2024 Senate race for NM Senate seat, Martin Heinrich (D) defeated Nella Louise Domenici (R) 55.1% to 44.9%. Martin Heinrich received 497,333 votes compared to 405,978 for Nella Louise Domenici, a comfortable 10.1-point margin indicating a moderately safe district.

This was an open-seat race with no incumbent running — Ben Ray Luján (D) previously held the seat. Open seats typically attract stronger candidates and heavier spending from both parties. The 2024 presidential election drove higher voter turnout, which can help or hurt down-ballot candidates depending on the top of the ticket.

In the 2018 Senate race for NM Senate seat, Martin T Heinrich (D) won with 54.1% of the vote, defeating Mick Rich (R) who received 30.5%. A third candidate also appeared on the ballot. Martin T Heinrich's 23.6-point advantage over the runner-up confirmed a comfortable win.

This was an open-seat race with no incumbent running — Tom Udall (D) previously held the seat. Open seats typically attract stronger candidates and heavier spending from both parties. As a Democrat, Martin T Heinrich benefited from the historical midterm penalty against the president's party — with a Republican in the White House, the opposition typically gains seats.

In the 2012 Senate race for NM Senate seat, Martin Heinrich (D) won with 51.0% of the vote, defeating Heather A. Wilson (R) who received 45.3%. A third candidate also appeared on the ballot. Martin Heinrich's 5.7-point lead over the runner-up showed solid but not overwhelming support.

This was an open-seat race. Open seats typically attract stronger candidates and heavier spending from both parties. The 2012 presidential election drove higher voter turnout, which can help or hurt down-ballot candidates depending on the top of the ticket.