1980Flipped from DemocraticFinal results
1980 election for Washington's 4th District
U.S. House · Washington
Sidney Morrison (R) won with 57.4% of the vote, defeating Mike McCormack (D) by 14.7 points, a seat Democrats won last time.
Sidney MorrisonRepublican · winner
57.4%134,691
Mike McCormackDemocrat
42.6%100,114
234,805 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.
Mike McCormackSidney Morrison
$209.9K
Raised by the campaign
$406.8K
$206.8K
Spent by the campaign
$402.9K
$0
Cash on hand
$0
Campaign money: FEC, through Dec 31, 1980.
Source: FEC campaign filingsUpdated Dec 31, 1980