2020Final results
2020 election for Minnesota Senate District 66
Minnesota State Senate · Minnesota
John Marty (D) won with 76.9% of the vote, defeating Greg Copeland (R) by 54.0 points.
John MartyDemocrat · winner · incumbent
76.9%31,880
Greg CopelandRepublican
22.9%9,490
41,460 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET