1978Final results
1978 election for Oregon Senate District 18
Oregon State Senate · Oregon
Clifford W. Trow (D) won with 59.0% of the vote, defeating Mario Pastega (R) by 18.0 points.
Clifford W. TrowDemocrat · winner · incumbent
59.0%16,888
Mario PastegaRepublican
41.0%11,739
28,632 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 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET