1980Final results
1980 election for U.S. Senate in Washington
U.S. Senate · Washington
Slade Gorton (R) won with 54.2% of the vote, defeating Warren G. Magnuson (D) by 8.3 points.
Slade GortonRepublican · winner
54.2%936,317
Warren G. MagnusonDemocrat
45.8%792,052
1,728,369 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 1980
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Warren G. MagnusonSlade Gorton
$998.6K
Raised by the campaign
$709.2K
$850.1K
Spent by the campaign
$696K
$0
Cash on hand
$0
Campaign money: FEC, through Dec 31, 1980.
Source: FEC campaign filingsUpdated Dec 31, 1980