1980Final results
1980 election for Missouri Senate District 1
Missouri State Senate · Missouri
James W. Murphy (D) won with 68.0% of the vote, defeating William Olenyik (R) by 36.1 points.
James W. MurphyDemocrat · winner · incumbent
68.0%36,901
William OlenyikRepublican
32.0%17,345
54,246 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