1978Final results
1978 election for Oregon's 4th District
U.S. House · Oregon
Jim Weaver (D) won with 56.3% of the vote, defeating Jerry Lausmann (R) by 12.5 points.
Jim WeaverDemocrat · winner
56.3%124,745
Jerry LausmannRepublican
43.7%96,953
221,766 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 1978
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET