Big fan of election and demographic numbers since 2006
 

1964 United States Congressional Elections – Washington

United States Senate – DEM Hold

Henry M. Jackson (D-inc) – 875,95072.21%

Lloyd J. Andrews (R) – 337,13827.79%

Total Votes – 1,213,088100.00%

United States House of Representatives – District 1 – GOP Hold

Thomas M. Pelly (R-inc) – 117,85159.91%

Edward Palmason (D) – 78,87640.09%

Total Votes – 196,727100.00%

United States House of Representatives – District 2 – DEM Gain

Lloyd Meeds (D) – 88,55154.87%

Jack Westland (R-inc) – 72,83045.13%

Total Votes – 161,381100.00%

United States House of Representatives – District 3 – DEM Hold

Julia Butler Hansen (D-inc) – 102,08070.16%

Harold L. Anderson (R) – 43,41529.84%

Total Votes – 145,495100.00%

United States House of Representatives – District 4 – GOP Hold

Catherine Dean May (R-inc) – 102,96465.26%

Stephen H. Huza (D) – 54,81934.74%

Total Votes – 157,783100.00%

United States House of Representatives – District 5 – DEM Gain

Thomas S. Foley (D) – 84,83053.45%

Walt Horan (R-inc) – 73,88446.55%

Total Votes – 158,714100.00%

United States House of Representatives – District 6 – DEM Gain

Floyd Verne Hicks (D) – 79,04252.09%

Thor C. Tollefson (R-inc) – 72,70247.91%

Total Votes – 151,744100.00%

United States House of Representatives – District 7 – DEM Gain

Brock Adams (D) – 125,22255.57%

K. William Stinson (R-inc) – 100,11944.43%

Total Votes – 225,341100.00%

Source: Office of the Clerk of the United States House of Representatives