


In the 2020 Senate race for MA Senate seat, Edward J. Markey (D) won with 66.2% of the vote, defeating Kevin J. O'Connor (R) who received 33.0%. 3 additional candidates split the remaining vote. Edward J. Markey's 33.1-point advantage over the runner-up confirmed a comfortable win.
This was an open-seat race with no incumbent running — Elizabeth A. Warren (D) previously held the seat. Open seats typically attract stronger candidates and heavier spending from both parties. The 2020 presidential election drove higher voter turnout, which can help or hurt down-ballot candidates depending on the top of the ticket. The wide margin suggests this district is firmly in the Democrat column for the foreseeable future.
In the 2014 Senate race for MA Senate seat, Edward J. Markey (D) won with 59.0% of the vote, defeating Brian J. Herr (R) who received 36.2%. 2 additional candidates split the remaining vote. Edward J. Markey's 22.8-point advantage over the runner-up confirmed a comfortable win.
This was an open-seat race with no incumbent running — Elizabeth A. Warren (D) previously held the seat. Open seats typically attract stronger candidates and heavier spending from both parties. As a Democrat, Edward J. Markey won despite the historical midterm penalty against the president's party (Democrat Obama was in office).
In the 2012 House race for MA-05, Edward J. Markey (D) won with 70.7% of the vote, defeating Tom Tierney (R) who received 22.8%. 2 additional candidates split the remaining vote. Edward J. Markey's 47.9-point advantage over the runner-up confirmed a comfortable win.
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.