Big fan of election and demographic numbers since 2006
 

1940 United States Congressional Elections – Washington

United States Senate – DEM Hold

Monrad C. Wallgren (D) – 404,71854.16%

Stephen F. Chadwick (R) – 342,58945.84%

Total Votes – 747,307100.00%

United States House of Representatives – District 1 – DEM Hold

Warren G. Magnuson (D-inc) – 113,98861.58%

Frederick W. Wettrick (R) – 71,11038.42%

Total Votes – 185,098100.00%

United States House of Representatives – District 2 – DEM Hold

Henry M. Jackson (D) – 66,31457.40%

Payson Peterson (R) – 49,20942.60%

Total Votes – 115,523100.00%

United States House of Representatives – District 3 – DEM Hold

Martin F. Smith (D-inc) – 60,52955.30%

Russell V. Mack (R) – 48,70044.49%

Henry P. Huff (Comm.) – 2300.21%

Total Votes – 109,459100.00%

United States House of Representatives – District 4 – DEM Hold

Knute Hill (D-inc) – 50,49351.26%

Frank Miller (R) – 48,00348.74%

Total Votes – 98,496100.00%

United States House of Representatives – District 5 – DEM Hold

Charles H. Leavy (D-inc) – 67,58255.47%

Walt Horan (R) – 54,25844.53%

Total Votes – 121,840100.00%

United States House of Representatives – District 6 – DEM Hold

John M. Coffee (D-inc) – 71,53662.82%

Paul A. Preus (R) – 42,33437.18%

Total Votes – 113,870100.00%

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