United States House of Representatives – District 1 – DEM Hold
Bobby L. Rush (D-inc) – 112,474 – 75.73%
William J. Kelly (R) – 36,038 – 24.27%
Total Votes – 148,512 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Mel Reynolds (D-inc) – 93,998 – 98.06%
Write-Ins – 1,857 – 1.94%
Total Votes – 95,855 – 100.00%
United States House of Representatives – District 3 – DEM Hold
William O. Lipinski (D-inc) – 92,353 – 54.16%
Jim Nalepa (R) – 78,163 – 45.84%
Total Votes – 170,516 – 100.00%
United States House of Representatives – District 4 – DEM Hold
Luis V. Gutierrez (D-inc) – 46,695 – 75.22%
Steven Valtierra (R) – 15,384 – 24.78%
Total Votes – 62,079 – 100.00%
United States House of Representatives – District 5 – GOP Gain
Michael Patrick Flanagan (R) – 75,328 – 54.43%
Dan Rostenkowski (D-inc) – 63,065 – 45.57%
Total Votes – 138,393 – 100.00%
United States House of Representatives – District 6 – GOP Hold
Henry J. Hyde (R-inc) – 115,664 – 73.49%
Tom Berry (D) – 37,163 – 23.61%
Robert L. Hogan (L) – 2,633 – 1.67%
Robert L. Wheat (UI) – 1,918 – 1.22%
Total Votes – 157,378 – 100.00%
United States House of Representatives – District 7 – DEM Hold
Cardiss Collins (D-inc) – 93,457 – 79.56%
Charles ‘Chuck’ Mobley (R) – 24,011 – 20.44%
Total Votes – 117,468 – 100.00%
United States House of Representatives – District 8 – GOP Hold
Philip M. Crane (R-inc) – 88,225 – 64.93%
Robert C. Walberg (D) – 47,654 – 35.07%
Total Votes – 135,879 – 100.00%
United States House of Representatives – District 9 – DEM Hold
Sidney R. Yates (D-inc) – 94,404 – 66.10%
George Edward Larney (R) – 48,419 – 33.90%
Total Votes – 142,823 – 100.00%
United States House of Representatives – District 10 – GOP Hold
John Edward Porter (R-inc) – 114,884 – 75.05%
Andrew M. Krupp (D) – 38,191 – 24.95%
Total Votes – 153,075 – 100.00%
United States House of Representatives – District 11 – GOP Gain
Jerry Weller (R) – 97,241 – 60.63%
Frank Giglio (D) – 63,150 – 39.37%
Write-Ins – 4 – 0.00%
Total Votes – 160,395 – 100.00%
United States House of Representatives – District 12 – DEM Hold
Jerry F. Costello (D-inc) – 101,391 – 65.92%
Jan Morris (R) – 52,419 – 34.08%
Total Votes – 153,810 – 100.00%
United States House of Representatives – District 13 – GOP Hold
Harris W. Fawell (R-inc) – 124,312 – 73.12%
William A. Riley (D) – 45,709 – 26.88%
Total Votes – 170,021 – 100.00%
United States House of Representatives – District 14 – GOP Hold
J. Dennis Hastert (R-inc) – 110,204 – 76.48%
Steve Denari (D) – 33,891 – 23.52%
Total Votes – 144,095 – 100.00%
United States House of Representatives – District 15 – GOP Hold
Thomas W. Ewing (R-inc) – 108,857 – 68.15%
Paul Alexander (D) – 50,874 – 31.85%
Total Votes – 159,731 – 100.00%
United States House of Representatives – District 16 – GOP Hold
Donald A. Manzullo (R-inc) – 117,238 – 70.64%
Pete Sullivan (D) – 48,736 – 29.36%
Total Votes – 165,974 – 100.00%
United States House of Representatives – District 17 – DEM Hold
Lane Evans (D-inc) – 95,312 – 54.53%
Jim Anderson (R) – 79,471 – 45.47%
Total Votes – 174,783 – 100.00%
United States House of Representatives – District 18 – GOP Hold
Ray LaHood (R) – 119,838 – 60.18%
G. Douglas Stephens (D) – 78,332 – 39.34%
Write-Ins – 955 – 0.48%
Total Votes – 199,125 – 100.00%
United States House of Representatives – District 19 – DEM Hold
Glenn Poshard (D-inc) – 115,045 – 58.39%
Brent Winters (R) – 81,995 – 41.61%
Total Votes – 197,040 – 100.00%
United States House of Representatives – District 20 – DEM Hold
Richard J. Durbin (D-inc) – 108,034 – 54.84%
Bill Owens (R) – 88,964 – 45.16%
Total Votes – 196,998 – 100.00%