United States Senate – DEM Hold
William W. Proxmire (D-inc) – 892,013 – 53.29%
Wilbur N. Renk (R) – 780,116 – 46.61%
Kenneth F. Klinkerk (I) – 1,062 – 0.06%
Wayne Leverenz (I) – 479 – 0.03%
Scattering – 106 – 0.01%
Total Votes – 1,673,776 – 100.00%
United States House of Representatives – District 1 – DEM Gain
Lynn E. Stalbaum (D) – 90,450 – 51.50%
Henry C. Schadeberg (R-inc) – 85,117 – 48.47%
Scattering – 55 – 0.03%
Total Votes – 175,622 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Robert W. Kastenmeier (D-inc) – 108,148 – 63.61%
Carl V. Kolata (R) – 61,865 – 36.39%
Total Votes – 170,013 – 100.00%
United States House of Representatives – District 3 – GOP Hold/DEM Loss
Vernon Wallace Thomson (R-inc) – 91,092 – 60.62%
Harold C. Ristow (D) – 59,173 – 39.38%
Scattering – 1 – 0.00%
Total Votes – 150,266 – 100.00%
United States House of Representatives – District 4 – DEM Hold
Clement J. Zablocki (D-inc) – 125,683 – 74.16%
Edward E. Estkowski (R) – 43,773 – 25.83%
Scattering – 10 – 0.01%
Total Votes – 169,466 – 100.00%
United States House of Representatives – District 5 – DEM Hold
Henry S. Reuss (D-inc) – 107,610 – 75.94%
Robert Taylor (R) – 34,059 – 24.03%
Scattering – 43 – 0.03%
Total Votes – 141,712 – 100.00%
United States House of Representatives – District 6 – DEM Gain
John A. Race (D) – 84,690 – 50.77%
William K. Van Pelt (R-inc) – 82,103 – 49.22%
Scattering – 5 – 0.00%
Total Votes – 166,798 – 100.00%
United States House of Representatives – District 7 – GOP Hold
Melvin R. Laird (R-inc) – 98,110 – 61.76%
Thomas E. Martin (D) – 60,758 – 38.24%
Scattering – 1 – 0.00%
Total Votes – 158,869 – 100.00%
United States House of Representatives – District 8 – GOP Hold
John W. Byrnes (R-inc) – 96,160 – 59.56%
Cletus J. Johnson (D) – 65,292 – 40.44%
Total Votes – 161,452 – 100.00%
United States House of Representatives – District 9 – GOP Win (new district)
Glenn Robert Davis (R) – 105,332 – 55.31%
James P. Buckley (D) – 85,071 – 44.67%
Scattering – 23 – 0.01%
Total Votes – 190,426 – 100.00%
United States House of Representatives – District 10 – GOP Hold
Alvin E. O’Konski (R-inc) – 92,198 – 56.15%
Edmund A. Nix (D) – 71,983 – 43.84%
Scattering – 26 – 0.02%
Total Votes – 164,207 – 100.00%