1978Final results
1978 election for Washington's 3rd District
U.S. House · Washington
Don Bonker (D) won with 58.6% of the vote, defeating Richard H. Bennett Sr. (R) by 17.3 points.
Don BonkerDemocrat · winner
58.6%82,616
Richard H. Bennett Sr.Republican
41.4%58,270
140,886 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