United States Senate – DEM Hold
William Proxmire (D-inc) – 682,440 – 57.12%
Roland J. Steinle (R) – 510,398 – 42.72%
James E. Boulton (SW) – 1,226 – 0.10%
Georgia Cozzini (SL) – 537 – 0.04%
Scattering – 77 – 0.01%
Total Votes – 1,194,678 – 100.00%
United States House of Representatives – District 1 – DEM Gain
Gerald T. Flynn (D) – 63,065 – 50.58%
Eleanor J. Smith (R) – 61,615 – 49.42%
Scattering – 4 – 0.00%
Total Votes – 124,684 – 100.00%
United States House of Representatives – District 2 – DEM Gain
Robert W. Kastenmeier (D) – 78,009 – 52.09%
Donald Edgar Tewes (R-inc) – 71,748 – 47.91%
Scattering – 14 – 0.01%
Total Votes – 149,771 – 100.00%
United States House of Representatives – District 3 – GOP Hold
Gardner R. Withrow (R-inc) – 47,858 – 51.20%
Norman M. Clapp (D) – 45,608 – 48.80%
Scattering – 1 – 0.00%
Total Votes – 93,467 – 100.00%
United States House of Representatives – District 4 – DEM Hold
Clement J. Zablocki (D-inc) – 112,226 – 74.13%
James J. Arnold (R) – 39,167 – 25.87%
Scattering – 6 – 0.00%
Total Votes – 151,399 – 100.00%
United States House of Representatives – District 5 – DEM Hold
Henry S. Reuss (D-inc) – 104,374 – 69.44%
Otto R. Werkmeister (R) – 45,901 – 30.54%
Scattering – 38 – 0.03%
Total Votes – 150,313 – 100.00%
United States House of Representatives – District 6 – GOP Hold
William K. Van Pelt (R-inc) – 61,490 – 52.77%
James Megellas (D) – 55,031 – 47.23%
Total Votes – 116,521 – 100.00%
United States House of Representatives – District 7 – GOP Hold
Melvin R. Laird (R-inc) – 59,186 – 60.46%
Kenneth Traeger (D) – 38,702 – 39.54%
Scattering – 5 – 0.01%
Total Votes – 97,893 – 100.00%
United States House of Representatives – District 8 – GOP Hold
John W. Byrnes (R-inc) – 69,682 – 57.32%
Milo Singler (D) – 51,887 – 42.68%
Total Votes – 121,569 – 100.00%
United States House of Representatives – District 9 – DEM Hold
Lester R. Johnson (D-inc) – 55,420 – 63.08%
Charles A. Hornback (R) – 32,425 – 36.91%
Scattering – 5 – 0.01%
Total Votes – 87,850 – 100.00%
United States House of Representatives – District 10 – GOP Hold
Alvin E. O’Konski (R-inc) – 58,801 – 67.10%
Basil G. Kennedy (D) – 28,830 – 32.90%
Scattering – 2 – 0.00%
Total Votes – 87,633 – 100.00%