United States House of Representatives – District 1 – DEM Hold
Charles A. Hayes (D-inc) – 164,125 – 96.05%
Stephen J. Evans (R) – 6,753 – 3.95%
Total Votes – 170,878 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Gus Savage (D-inc) – 138,256 – 82.74%
William T. Hespel (R) – 28,831 – 17.26%
Total Votes – 167,087 – 100.00%
United States House of Representatives – District 3 – DEM Hold
Marty Russo (D-inc) – 132,111 – 62.23%
Joseph J. McCarthy (R) – 80,181 – 37.77%
Total Votes – 212,292 – 100.00%
United States House of Representatives – District 4 – DEM Gain
George E. Sangmeister (D) – 91,282 – 50.29%
Jack Davis (R-inc) – 90,243 – 49.71%
Total Votes – 181,525 – 100.00%
United States House of Representatives – District 5 – DEM Hold
William O. Lipinski (D-inc) – 93,567 – 61.28%
John J. Holowinski (R) – 59,128 – 38.72%
Total Votes – 152,695 – 100.00%
United States House of Representatives – District 6 – GOP Hold
Henry J. Hyde (R-inc) – 153,425 – 73.68%
William J. Andrle (D) – 54,804 – 26.32%
Total Votes – 208,229 – 100.00%
United States House of Representatives – District 7 – DEM Hold
Cardiss Collins (D-inc) – 135,331 – 100.00%
United States House of Representatives – District 8 – DEM Hold
Dan Rostenkowski (D-inc) – 107,728 – 74.64%
V. Stephen Vetter (R) – 34,659 – 24.01%
Mark J. Almberg (Communist) – 1,937 – 1.34%
Total Votes – 144,324 – 100.00%
United States House of Representatives – District 9 – DEM Hold
Sidney R. Yates (D-inc) – 135,583 – 66.08%
Herbert Sohn (R) – 67,604 – 32.95%
Jessie Fields (Solidarity) – 2,000 – 0.97%
Total Votes – 205,187 – 100.00%
United States House of Representatives – District 10 – GOP Hold
John Edward Porter (R-inc) – 158,519 – 72.48%
Eugene F. Friedman (D) – 60,187 – 27.52%
Total Votes – 218,706 – 100.00%
United States House of Representatives – District 11 – DEM Hold
Frank Annunzio (D-inc) – 131,753 – 64.51%
George S. Gottlieb (R) – 72,489 – 35.49%
Total Votes – 204,242 – 100.00%
United States House of Representatives – District 12 – GOP Hold
Philip M. Crane (R-inc) – 165,913 – 75.18%
John A. Leonardi (D) – 54,769 – 24.82%
Total Votes – 220,682 – 100.00%
United States House of Representatives – District 13 – GOP Hold
Harris W. Fawell (R-inc) – 174,992 – 70.16%
Evelyn E. Craig (D) – 74,424 – 29.84%
Total Votes – 249,416 – 100.00%
United States House of Representatives – District 14 – GOP Hold
J. Dennis Hastert (R-inc) – 161,146 – 73.71%
Stephen Youhannie (D) – 57,482 – 26.29%
Total Votes – 218,628 – 100.00%
United States House of Representatives – District 15 – GOP Hold
Edward R. Madigan (R-inc) – 140,171 – 71.72%
Thomas J. (Tom) Curl (D) – 55,260 – 28.28%
Total Votes – 195,431 – 100.00%
United States House of Representatives – District 16 – GOP Hold
Lynn Martin (R-inc) – 128,365 – 63.93%
Steven E. Mahan (D) – 72,431 – 36.07%
Total Votes – 200,796 – 100.00%
United States House of Representatives – District 17 – DEM Hold
Lane Evans (D-inc) – 132,130 – 64.87%
William E. Stewart (R) – 71,560 – 35.13%
Total Votes – 203,690 – 100.00%
United States House of Representatives – District 18 – GOP Hold
Robert H. Michel (R-inc) – 114,458 – 54.71%
G. Douglas Stephens (D) – 94,763 – 45.29%
Total Votes – 209,221 – 100.00%
United States House of Representatives – District 19 – DEM Hold
Terry L. Bruce (D-inc) – 132,889 – 64.24%
Robert F. Kerans (R) – 73,981 – 35.76%
Total Votes – 206,870 – 100.00%
United States House of Representatives – District 20 – DEM Hold
Richard J. Durbin (D-inc) – 153,341 – 68.87%
Paul E. Jurgens (R) – 69,303 – 31.13%
Total Votes – 222,644 – 100.00%
United States House of Representatives – District 21 – DEM Hold
Jerry F. Costello (D-inc) – 105,836 – 52.60%
Robert H. (Bob) Gaffner (R) – 95,385 – 47.40%
Total Votes – 201,221 – 100.00%
United States House of Representatives – District 22 – DEM Hold
Glenn Poshard (D) – 139,392 – 64.88%
Patrick J. Kelley (R) – 75,462 – 35.12%
Total Votes – 214,854 – 100.00%