United States Senate – DEM Hold
Mike Mansfield (D-inc) – 180,643 – 64.51%
Alex Blewett (R) – 99,367 – 35.49%
Total Votes – 280,010 – 100.00%
United States House of Representatives – District 1 – DEM Hold
Arnold Olsen (D-inc) – 64,847 – 53.63%
Wayne Montgomery (R) – 55,417 – 45.83%
Jack Gunderson (National States’ Rights) – 644 – 0.53%
Total Votes – 120,908 – 100.00%
United States House of Representatives – District 2 – GOP Hold
James Franklin Battin (R-inc) – 84,241 – 54.10%
Jack C. Toole (D) – 71,461 – 45.90%
Total Votes – 155,702 – 100.00%