1990Final results
1990 election for Minnesota House District 66B
Minnesota House of Representatives · Minnesota
Richard M. Oconnor (D) won with 68.8% of the vote, defeating William Grewe (R) by 37.6 points.
Richard M. OconnorDemocrat · winner · incumbent
68.8%5,634
William GreweRepublican
31.2%2,553
8,187 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