United States Senate – DEM Gain
Paul Simon (D) – 2,397,165 – 50.07%
Charles H. Percy (R-inc) – 2,308,039 – 48.21%
Steven I. Givot (L) – 59,777 – 1.25%
Marjorie H. Pries (Citizens) – 12,366 – 0.26%
Nelson Gonzalez (SW) – 4,913 – 0.10%
Ishmael Flory (Communist) – 4,802 – 0.10%
Other – 273 – 0.01%
Total Votes – 4,787,335 – 100.00%
United States House of Representatives – District 1 – DEM Hold
Charles Hayes (D-inc) – 177,438 – 95.64%
Eddie L. Warren (SW) – 8,086 – 4.36%
Others – 10 – 0.01%
Total Votes – 185,534 – 100.00%
United States House of Representatives – District 2 – DEMHold
Gus Savage (D-inc) – 155,349 – 82.98%
Dale F. Harman (R) – 31,865 – 17.02%
Others – 1 – 0.00%
Total Votes – 187,215 – 100.00%
United States House of Representatives – District 3 – DEM Hold
Marty Russo (D-inc) – 143,363 – 64.41%
Richard D. Murphy (R) – 79,218 – 35.59%
Others – 1 – 0.00%
Total Votes – 222,582 – 100.00%
United States House of Representatives – District 4 – GOP Hold
George M. O’Brien (R-inc) – 121,744 – 63.98%
Dennis E. Marlow (D) – 68,547 – 36.02%
Total Votes – 190,291 – 100.00%
United States House of Representatives – District 5 – DEM Hold
Bill Lipinski (D-inc) – 106,597 – 63.56%
John M. Paczkowski (R) – 61,109 – 36.44%
Others – 2 – 0.00%
Total Votes – 167,708 – 100.00%
United States House of Representatives – District 6 – GOP Hold
Henry Hyde (R-inc) – 157,370 – 75.09%
Robert H. Renshaw (D) – 52,189 – 24.90%
Others – 3 – 0.00%
Total Votes – 209,562 – 100.00%
United States House of Representatives – District 7 – DEM Hold
Cardiss Collins (D-inc) – 135,493 – 78.36%
James L. Bevel (R) – 37,411 – 21.64%
Other – 4 – 0.00%
Total Votes – 172,908 – 100.00%
United States House of Representatives – District 8 – DEM Hold
Dan Rostenkowski (D-inc) – 114,385 – 71.30%
Spiro F. Georgeson (R) – 46,030 – 28.69%
Others – 2 – 0.00%
Total Votes – 160,417 – 100.00%
United States House of Representatives – District 9 – DEM Hold
Sidney R. Yates (D-inc) – 144,879 – 67.54%
Herbert Sohn (R) – 69,613 – 32.45%
Others – 3 – 0.00%
Total Votes – 214,495 – 100.00%
United States House of Representatives – District 10 – GOP Hold
John E. Porter (R-inc) – 153,330 – 72.62%
Ruth C. Braver (D) – 57,809 – 27.38%
Others – 1 – 0.00%
Total Votes – 211,140 – 100.00%
United States House of Representatives – District 11 – DEM Hold
Frank Annunzio (D-inc) – 138,171 – 62.61%
Charles J. Theusch (R) – 82,518 – 37.39%
Others – 1 – 0.00%
Total Votes – 220,690 – 100.00%
United States House of Representatives – District 12 – GOP Hold
Phil Crane (R-inc) – 159,582 – 77.80%
Edward J. LaFlamme (D) – 45,537 – 22.20%
Total Votes – 205,119 – 100.00%
United States House of Representatives – District 13 – GOP Hold
Harris W. Fawell (R) – 157,603 – 67.00%
Michael J. Donohue (D) – 77,623 – 33.00%
Others – 8 – 0.00%
Total Votes – 235,234 – 100.00%
United States House of Representatives – District 14 – GOP Hold
John E. Grotberg (R) – 135,967 – 62.16%
Dan McGrath (D) – 82,756 – 37.83%
Others – 15 – 0.01%
Total Votes – 218,738 – 100.00%
United States House of Representatives – District 15 – GOP Hold
Edward Rell Madigan (R-inc) – 149,096 – 73.23%
John M. Hoffmann (D) – 54,516 – 26.77%
Others – 1 – 0.00%
Total Votes – 203,613 – 100.00%
United States House of Representatives – District 16 – GOP Hold
Lynn Morley Martin (R-inc) – 127,684 – 58.43%
Carl R. ‘Skip’ Schwerdtfeger (D) – 90,850 – 41.57%
Others – 4 – 0.00%
Total Votes – 218,538 – 100.00%
United States House of Representatives – District 17 – DEM Hold
Lane Evans (D-inc) – 128,273 – 56.67%
Kenneth G. McMillan (R) – 98,069 – 43.33%
Others – 3 – 0.00%
Total Votes – 226,345 – 100.00%
United States House of Representatives – District 18 – GOP Hold
Robert H. Michel (R-inc) – 136,183 – 61.04%
Gerald A. Bradley (D) – 86,884 – 38.94%
Others – 39 – 0.02%
Total Votes – 223,106 – 100.00%
United States House of Representatives – District 19 – DEM Gain
Terry L. Bruce (D) – 117,634 – 52.26%
Daniel B. Crane (R-inc) – 107,463 – 47.74%
Others – 6 – 0.00%
Total Votes – 225,103 – 100.00%
United States House of Representatives – District 20 – DEM Hold
Dick Durbin (D-inc) – 145,092 – 61.27%
Richard G. Austin (R) – 91,728 – 38.73%
Others – 1 – 0.00%
Total Votes – 236,821 – 100.00%
United States House of Representatives – District 21 – DEM Hold
Melvin Price (D-inc) – 127,046 – 60.16%
Robert H. Gaffner (R) – 84,148 – 39.84%
Total Votes – 211,194 – 100.00%
United States House of Representatives – District 22 – DEM Hold
Kenneth J. Gray (D) – 116,952 – 50.25%
Randy Patchett (R) – 115,775 – 49.75%
Others – 1 – 0.00%
Total Votes – 232,728 – 100.00%