United States Senate – GOP Gain
Slade Gorton (R) – 936,317 – 54.17%
Warren G. Magnuson (D-inc) – 792,052 – 45.83%
Total Votes – 1,728,369 – 100.00%
United States House of Representatives – District 1 – GOP Hold
Joel Pritchard (R-inc) – 180,475 – 78.29%
Robin Drake (D) – 41,830 – 18.14%
Maurice Willey (L) – 8,229 – 3.57%
Total Votes – 230,534 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Al Swift (D-inc) – 162,002 – 63.86%
Neal Snider (R) – 82,639 – 32.58%
William L. McCord (L) – 9,047 – 3.57%
Total Votes – 253,688 – 100.00%
United States House of Representatives – District 3 – DEM Hold
Don Bonker (D-inc) – 155,906 – 62.67%
Rod Culp (R) – 92,872 – 37.33%
Total Votes – 248,778 – 100.00%
United States House of Representatives – District 4 – GOP Gain
Sid Morrison (R) – 134,691 – 57.36%
Mike McCormack (D-inc) – 100,114 – 42.64%
Total Votes – 234,805 – 100.00%
United States House of Representatives – District 5 – DEM Hold
Tom Foley (D-inc) – 120,530 – 51.90%
John Sonneland (R) – 111,705 – 48.10%
Total Votes – 232,235 – 100.00%
United States House of Representatives – District 6 – DEM Hold
Norman D. Dicks (D-inc) – 122,903 – 53.64%
James Edward Beaver (R) – 106,236 – 46.36%
Total Votes – 229,139 – 100.00%
United States House of Representatives – District 7 – DEM Hold
Mike Lowry (D-inc) – 112,848 – 57.26%
Ron Dunlap (R) – 84,218 – 42.74%
Total Votes – 197,066 – 100.00%