Roger Marshall

In the 2020 Senate race for KS Senate seat, Roger Marshall (R) won with 53.2% of the vote, defeating Barbara Goolsbee Bollier (D) who received 41.8%. A third candidate also appeared on the ballot. Roger Marshall's 11.4-point lead over the runner-up showed solid but not overwhelming support.

This was an open-seat race with no incumbent running — Jerry Moran (R) 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.

In the 2018 House race for KS-01, Roger Marshall (R) defeated Alan Lapolice (D) 68.2% to 31.9%. Roger Marshall received 153,082 votes compared to 71,558 for Alan Lapolice, a dominant 36.3-point margin reflecting a safely partisan district.

As the incumbent, Roger Marshall benefited from name recognition, established constituent services, and the roughly 2-3 point advantage that sitting members typically enjoy. As a Republican, Roger Marshall won despite the historical midterm penalty against the president's party (Republican Trump was in office).

In the 2016 House race for KS-01, Roger Marshall (R) won with 65.9% of the vote, defeating Alan Lapolice (I) who received 26.3%. A third candidate also appeared on the ballot. Roger Marshall's 39.6-point advantage over the runner-up confirmed a comfortable win.

This was an open-seat race with no incumbent running — Tim Huelskamp (R) previously held the seat. Open seats typically attract stronger candidates and heavier spending from both parties. The 2016 presidential election drove higher voter turnout, which can help or hurt down-ballot candidates depending on the top of the ticket.