United States Senate – GOP Hold
Charles H. Percy (R-inc) 2,867,078 – 62.21%
Roman Pucinski (D) 1,721,031 – 37.35%
Edward C. Gross (SL) 13,384 – 0.29%
Arnold Becchetti (Comm.) 6,103 – 0.13%
Write-Ins 784 – 0.02%
Total Votes 4,608,380 – 100.00%
United States House of Representatives – District 1 – DEM Hold
Ralph H. Metcalfe (D-inc) 136,755 – 91.39%
Louis Coggs (R) 12,877 – 8.61%
Write-Ins 2 – 0.00%
Total Votes 149,634 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Morgan F. Murphy (D-inc) 115,306 – 75.02%
James E. Doyle (R) 38,391 – 24.98%
Write-Ins 1 – 0.00%
Total Votes 153,698 – 100.00%
United States House of Representatives – District 3 – GOP Win (new district)
Robert P. Hanrahan (R) 128,329 – 62.25%
Daniel P. Coman (D) 77,814 – 37.75%
Write-Ins 4 – 0.00%
Total Votes 206,147 – 100.00%
United States House of Representatives – District 4 – GOP Hold
Edward J. Derwinski (R-inc) 141,402 – 70.54%
C. F. ‘Bob’ Dore (D) 59,057 – 29.46%
Write-Ins 4 – 0.00%
Total Votes 200,463 – 100.00%
United States House of Representatives – District 5 – DEM Hold
John C. Kluczynski (D-inc) 121,278 – 72.82%
Leonard C. Jarzab (R) 45,264 – 27.18%
Write-Ins 2 – 0.00%
Total Votes 166,544 – 100.00%
United States House of Representatives – District 6 – GOP Hold
Harold R. Collier (R-inc) 124,486 – 61.17%
Michael R. Galasso (D) 79,002 – 38.82%
Write-Ins 13 – 0.01%
Total Votes 203,501 – 100.00%
United States House of Representatives – District 7 – DEM Hold
George W. Collins (D-inc) 95,018 – 82.78%
Thomas J. Lento (R) 19,758 – 17.21%
Write-Ins 2 – 0.00%
Total Votes 114,778 – 100.00%
United States House of Representatives – District 8 – DEM Hold
Dan Rostenkowski (D-inc) 110,457 – 74.02%
Edward Stepnowski (R) 38,758 – 25.97%
Write-Ins 4 – 0.00%
Total Votes 149,219 – 100.00%
United States House of Representatives – District 9 – DEM Hold
Sidney R. Yates (D-inc) 131,777 – 68.34%
Clark W. Fetridge (R) 61,038 – 31.66%
Write-Ins 2 – 0.00%
Total Votes 192,817 – 100.00%
United States House of Representatives – District 10 – GOP Gain
Samuel H. Young (R) 120,681 – 51.59%
Abner J. Mikva (D-inc) 113,222 – 48.40%
Write-Ins 26 – 0.01%
Total Votes 233,929 – 100.00%
United States House of Representatives – District 11 – DEM Hold/DEM Loss
Frank Annunzio (D-inc) 118,637 – 53.34%
John J. Hoellen (R) 103,773 – 46.66%
Write-Ins 5 – 0.00%
Total Votes 222,415 – 100.00%
United States House of Representatives – District 12 – GOP Hold
Phil Crane (R-inc) 152,938 – 74.24%
Edwin L. Frank (D) 53,055 – 25.75%
Write-Ins 7 – 0.00%
Total Votes 206,000 – 100.00%
United States House of Representatives – District 13 – GOP Hold
Robert McClory (R-inc) 98,201 – 61.48%
Stanley W. Beetham (D) 61,537 – 38.52%
Total Votes 159,738 – 100.00%
United States House of Representatives – District 14 – GOP Hold
John N. Erlenborn (R-inc) 154,794 – 72.79%
James M. Wall (D) 57,874 – 27.21%
Total Votes 212,668 – 100.00%
United States House of Representatives – District 15 – GOP Hold/GOP Loss
Leslie C. Arends (R-inc) 111,022 – 57.24%
Tim L. Hall (D) 82,925 – 42.76%
Write-Ins 3 – 0.00%
Total Votes 193,950 – 100.00%
United States House of Representatives – District 16 – GOP Hold
John B. Anderson (R-inc) 129,640 – 71.91%
John E. Devine, Jr. (D) 50,649 – 28.09%
Write-Ins 2 – 0.00%
Total Votes 180,291 – 100.00%
United States House of Representatives – District 17 – GOP Win (new district)
George M. O’Brien (R) 100,175 – 55.65%
John J. Houlihan (D) 79,840 – 44.35%
Write-Ins 1 – 0.00%
Total Votes 180,016 – 100.00%
United States House of Representatives – District 18 – GOP Hold
Robert H. Michel (R-inc) 124,407 – 64.82%
Steven L. Nordvall (D) 67,514 – 35.18%
Total Votes 191,921 – 100.00%
United States House of Representatives – District 19 – GOP Hold
Tom Railsback (R-inc) 138,123 – 100.00%
United States House of Representatives – District 20 – GOP Hold
Paul Findley (R-inc) 148,419 – 68.75%
Robert S. O’Shea (D) 67,445 – 31.24%
Write-Ins 4 – 0.00%
Total Votes 215,868 – 100.00%
United States House of Representatives – District 21 – GOP Hold
Edward Rell Madigan (R) 99,966 – 54.78%
Lawrence E. Johnson (D) 82,523 – 45.22%
Write-Ins 7 – 0.00%
Total Votes 182,496 – 100.00%
United States House of Representatives – District 22 – DEM Hold
George E. Shipley (D-inc) 124,589 – 56.54%
Robert B. Lamkin (R) 90,390 – 41.02%
Cleo A. Duzan (I) 5,389 – 2.45%
Total Votes 220,368 – 100.00%
United States House of Representatives – District 23 – DEM Hold
Melvin Price (D-inc) 121,682 – 75.06%
Robert Mays (R) 40,428 – 24.94%
Write-Ins 6 – 0.00%
Total Votes 162,116 – 100.00%
United States House of Representatives – District 24 – DEM Hold
Kenneth J. Gray (D-inc) 138,867 – 93.65%
Hugh Muldoon (I) 9,398 – 6.34%
Write-Ins 13 – 0.01%
Total Votes 148,278 – 100.00%