1980Final results
1980 election for Oregon Senate District 4
Oregon State Senate · Oregon
Jim Simmons (R) won with 59.4% of the vote, defeating Richard H. Petersen (D) by 18.9 points.
Jim SimmonsRepublican · winner
59.4%28,472
Richard H. PetersenDemocrat
40.6%19,439
47,911 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET