United States Senate – GOP Gain
Charles H. Percy (R) – 2,100,449 – 54.95%
Paul H. Douglas (D-inc) – 1,678,147 – 43.90%
Robert Saboujian (W/I) – 41,965 – 1.10%
Maxwell Primack (W/I) – 1,693 – 0.04%
Scattering – 470 – 0.01%
Total Votes – 3,822,724 – 100.00%
United States House of Representatives – District 1 – DEM Hold
William L. Dawson (D-inc) – 91,119 – 72.58%
David R. Reed (R) – 34,421 – 27.42%
Total Votes – 125,540 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Barratt O’Hara (D-inc) – 83,471 – 59.16%
Philip G. Bixler (R) – 57,629 – 40.84%
Total Votes – 141,100 – 100.00%
United States House of Representatives – District 3 – DEM Hold
William T. Murphy (D-inc) – 83,857 – 51.99%
Alfred F. Manion (R) – 77,442 – 48.01%
Total Votes – 161,299 – 100.00%
United States House of Representatives – District 4 – GOP Hold
Edward J. Derwinski (R-inc) – 125,365 – 72.03%
Ray J. Rybacki (D) – 48,673 – 27.97%
Total Votes – 174,038 – 100.00%
United States House of Representatives – District 5 – DEM Hold
John C. Kluczynski (D-inc) – 85,770 – 56.24%
Walter K. Kiltz (R) – 66,735 – 43.76%
Total Votes – 152,505 – 100.00%
United States House of Representatives – District 6 – DEM Hold
Daniel J. Ronan (D-inc) – 84,126 – 57.03%
Samuel A. DeCaro (R) – 63,374 – 42.97%
Total Votes – 147,500 – 100.00%
United States House of Representatives – District 7 – DEM Hold
Frank Annunzio (D-inc) – 82,962 – 80.85%
Joseph D. Day (R) – 19,650 – 19.15%
Total Votes – 102,612 – 100.00%
United States House of Representatives – District 8 – DEM Hold
Dan Rostenkowski (D-inc) – 94,631 – 59.89%
John H. Leszynski (R) – 63,377 – 40.11%
Total Votes – 158,008 – 100.00%
United States House of Representatives – District 9 – DEM Hold
Sidney R. Yates (D-inc) – 96,746 – 59.86%
Richard C. Storey, Jr. (R) – 64,875 – 40.14%
Total Votes – 161,621 – 100.00%
United States House of Representatives – District 10 – GOP Hold
Harold R. Collier (R-inc) – 132,650 – 69.44%
Frank J. Jirka, Jr. (D) – 58,376 – 30.56%
Total Votes – 191,026 – 100.00%
United States House of Representatives – District 11 – DEM Hold
Roman C. Pucinski (D-inc) – 105,996 – 50.90%
John J. Hoellen (R) – 102,244 – 49.10%
Total Votes – 208,240 – 100.00%
United States House of Representatives – District 12 – GOP Hold
Robert McClory (R-inc) – 90,483 – 69.07%
Herbert L. ‘Hub’ Stern (D) – 40,502 – 30.92%
Scattering – 8 – 0.01%
Total Votes – 130,993 – 100.00%
United States House of Representatives – District 13 – GOP Hold
Donald Rumsfeld (R-inc) – 158,769 – 76.01%
James L. McCabe (D) – 50,107 – 23.99%
Total Votes – 208,876 – 100.00%
United States House of Representatives – District 14 – GOP Hold
John N. Erlenborn (R-inc) – 130,442 – 71.74%
Kenneth McCleary (D) – 51,385 – 28.26%
Total Votes – 181,827 – 100.00%
United States House of Representatives – District 15 – GOP Hold
Charlotte T. Reid (R-inc) – 102,018 – 72.28%
Selwyn L. Boyer (D) – 39,123 – 27.72%
Total Votes – 141,141 – 100.00%
United States House of Representatives – District 16 – GOP Hold
John B. Anderson (R-inc) – 89,990 – 73.01%
Robert M. Whiteford (D) – 33,274 – 26.99%
Total Votes – 123,264 – 100.00%
United States House of Representatives – District 17 – GOP Hold
Leslie C. Arends (R-inc) – 104,240 – 67.43%
Bernard J. Hughes (D) – 50,350 – 32.57%
Total Votes – 154,590 – 100.00%
United States House of Representatives – District 18 – GOP Hold
Robert H. Michel (R-inc) – 80,293 – 58.44%
Thomas V. Cassidy (D) – 57,100 – 41.56%
Total Votes – 137,393 – 100.00%
United States House of Representatives – District 19 – GOP Gain
Tom Railsback (R) – 77,895 – 52.30%
Gale Schisler (D-inc) – 71,050 – 47.70%
Total Votes – 148,945 – 100.00%
United States House of Representatives – District 20 – GOP Hold
Paul Findley (R-inc) – 102,609 – 62.20%
Richard R. Wolfe (D) – 62,343 – 37.79%
Scattering – 12 – 0.01%
Total Votes – 164,964 – 100.00%
United States House of Representatives – District 21 – DEM Hold
Kenneth J. Gray (D-inc) – 103,128 – 56.20%
Robert Beckmeyer (R) – 80,382 – 43.80%
Total Votes – 183,510 – 100.00%
United States House of Representatives – District 22 – GOP Hold
William L. Springer (R-inc) – 96,453 – 63.34%
Cameron B. Satterthwaite (D) – 55,818 – 36.66%
Total Votes – 152,271 – 100.00%
United States House of Representatives – District 23 – DEM Hold
George E. Shipley (D-inc) – 95,156 – 56.43%
Leslie N. Jones (R) – 73,463 – 43.57%
Total Votes – 168,619 – 100.00%
United States House of Representatives – District 24 – DEM Hold
Melvin Price (D-inc) – 82,513 – 71.48%
John S. Guthrie (R) – 32,915 – 28.52%
Total Votes – 115,428 – 100.00%