1990Final results
1990 election for Minnesota Senate District 21
Minnesota State Senate · Minnesota
John Bernhagen (R) won with 59.6% of the vote, defeating David Olson (D) by 19.2 points.
John BernhagenRepublican · winner · incumbent
59.6%14,555
David OlsonDemocrat
40.4%9,857
24,412 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