1976Final results
1976 election for Oregon's 3rd District
U.S. House · Oregon
Robert B. Duncan (D) won with 83.9% of the vote, defeating Martin Simon (Ind) by 67.9 points.
Robert B. DuncanDemocrat · winner
83.9%148,503
Martin SimonIndependent
16.0%28,245
177,051 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 1976
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET