United States House of Representatives – District 1 – DEM Hold
William L. Dawson (D-inc) – 60,778 – 72.22%
Theodore R. M. Howard (R) – 23,384 – 27.78%
Total Votes – 84,162 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Barratt O’Hara (D-inc) – 75,691 – 68.31%
Harold E. Marks (R) – 34,203 – 30.87%
Scattering – 907 – 0.82%
Total Votes – 110,801 – 100.00%
United States House of Representatives – District 3 – DEM Gain
William T. Murphy (D) – 79,886 – 56.45%
Emmet F. Byrne (R-inc) – 55,513 – 39.23%
Scattering – 6,119 – 4.32%
Total Votes – 141,518 – 100.00%
United States House of Representatives – District 4 – GOP Hold
Edward J. Derwinski (R) – 106,691 – 51.96%
Leland H. Rayson (D) – 98,657 – 48.04%
Total Votes – 205,348 – 100.00%
United States House of Representatives – District 5 – DEM Hold
John C. Kluczynski (D-inc) – 96,591 – 76.08%
Theodore Wozniak (R) – 30,374 – 23.92%
Total Votes – 126,965 – 100.00%
United States House of Representatives – District 6 – DEM Hold
Thomas J. O’Brien (D-inc) – 90,796 – 73.11%
Frank S. Estes (R) – 33,392 – 26.89%
Total Votes – 124,188 – 100.00%
United States House of Representatives – District 7 – DEM Hold
Roland V. Libonati (D-inc) – 90,974 – 83.03%
Anthony C. Catena (R) – 18,595 – 16.97%
Total Votes – 109,569 – 100.00%
United States House of Representatives – District 8 – DEM Hold
Daniel D. Rostenkowski (D) – 73,413 – 74.59%
William F. H. Schmidt (R) – 25,011 – 25.41%
Total Votes – 98,424 – 100.00%
United States House of Representatives – District 9 – DEM Hold
Sidney R. Yates (D-inc) – 70,989 – 67.04%
Homer P. Hargrave, Jr. (R) – 34,909 – 32.96%
Total Votes – 105,898 – 100.00%
United States House of Representatives – District 10 – GOP Hold
Harold R. Collier (R-inc) – 84,045 – 54.34%
William J. McGah, Jr. (D) – 70,621 – 45.66%
Total Votes – 154,666 – 100.00%
United States House of Representatives – District 11 – DEM Gain
Roman C. Pucinski (D) – 79,167 – 56.74%
Timothy P. Sheehan (R-inc) – 60,347 – 43.26%
Total Votes – 139,514 – 100.00%
United States House of Representatives – District 12 – DEM Hold
Charles A. Boyle (D-inc) – 85,129 – 60.76%
Allen A. Freeman (R) – 54,967 – 39.24%
Total Votes – 140,096 – 100.00%
United States House of Representatives – District 13 – GOP Hold
Marguerite Stitt Church (R-inc) – 165,910 – 67.11%
Laurence A. Kusek (D) – 81,326 – 32.89%
Total Votes – 247,236 – 100.00%
United States House of Representatives – District 14 – GOP Hold
Elmer J. Hoffman (R) – 96,381 – 64.33%
Peter J. Fiefer (D) – 53,449 – 35.67%
Total Votes – 149,830 – 100.00%
United States House of Representatives – District 15 – GOP Hold
Noah M. Mason (R-inc) – 58,829 – 52.51%
Dorothy G. O’Brien (D) – 53,196 – 47.49%
Total Votes – 112,025 – 100.00%
United States House of Representatives – District 16 – GOP Hold
Leo E. Allen (R-inc) – 71,049 – 61.37%
Milton A. Lundstrom (D) – 44,723 – 38.63%
Total Votes – 115,772 – 100.00%
United States House of Representatives – District 17 – GOP Hold
Leslie C. Arends (R-inc) – 70,125 – 61.01%
William T. Larkin (D) – 44,821 – 38.99%
Total Votes – 114,946 – 100.00%
United States House of Representatives – District 18 – GOP Hold
Robert H. Michel (R-inc) – 57,929 – 59.48%
James W. McGee (D) – 39,464 – 40.52%
Total Votes – 97,393 – 100.00%
United States House of Representatives – District 19 – GOP Hold
Robert B. Chiperfield (R-inc) – 52,049 – 50.46%
John C. Watson (D) – 51,104 – 49.54%
Total Votes – 103,153 – 100.00%
United States House of Representatives – District 20 – GOP Hold
Edna O. (Mrs. Sid) Simpson (R) – 57,412 – 55.26%
Henry W. Pollock (D) – 46,076 – 44.35%
Scattering – 404 – 0.39%
Total Votes – 103,892 – 100.00%
United States House of Representatives – District 21 – DEM Hold
Peter F. Mack, Jr. (D-inc) – 87,134 – 58.77%
Norma Eaton (R) – 61,137 – 41.23%
Total Votes – 148,271 – 100.00%
United States House of Representatives – District 22 – GOP Hold
William L. Springer (R-inc) – 65,080 – 60.48%
Carlton H. Myers (D) – 42,533 – 39.52%
Total Votes – 107,613 – 100.00%
United States House of Representatives – District 23 – DEM Gain
George E. Shipley (D) – 65,114 – 50.07%
Charles W. Vursell (R-inc) – 64,927 – 49.93%
Total Votes – 130,041 – 100.00%
United States House of Representatives – District 24 – DEM Hold
Melvin Price (D-inc) – 94,231 – 76.05%
Alex Chouinard (R) – 29,670 – 23.95%
Total Votes – 123,901 – 100.00%
United States House of Representatives – District 25 – DEM Hold
Kenneth J. Gray (D-inc) – 78,385 – 58.22%
Carl D. Sneed (R) – 56,257 – 41.78%
Total Votes – 134,642 – 100.00%