1990Final results
1990 election for Minnesota Senate District 31
Minnesota State Senate · Minnesota
Pat Piper (D) won with 64.3% of the vote, defeating Melvin Eichstadt (R) by 28.6 points.
Pat PiperDemocrat · winner · incumbent
64.3%14,200
Melvin EichstadtRepublican
35.7%7,884
22,084 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET