PolitiFinder

1964 Oregon U.S. House District 4 Election

Oregon · 2 candidates · See every 1964 U.S. House race

Who won the 1964 Oregon U.S. House District 4 Election?

Robert B. Duncan won the 1964 Oregon U.S. House District 4 Election. Robert B. Duncan received 125,752 popular votes (64.8%). The main challenger was Paul Jaffarian (35.19%).

See the full head-to-head between Duncan and Jaffarian

Duncan +29.6 pts · won by 57,464 votes
Robert B. DuncanDemocraticWINNER64.8%
125,752 votes
Paul JaffarianRepublican35.19%
68,288 votes
Popular-vote totals for this U.S. House election come from the Constituency-Level Elections Archive (CLEA) and the official public record.

Data last verified August 15, 2026.