United States House of Representatives – District 1 – DEM Hold
Bobby L. Rush (D-inc) – 172,271 – 87.81%
Raymond G. Wardingley (R) – 23,915 – 12.19%
Total Votes – 196,186 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Jesse L. Jackson, Jr. (D-inc) – 175,995 – 89.84%
Robert Gordon III (R) – 19,906 – 10.16%
Total Votes – 195,901 – 100.00%
United States House of Representatives – District 3 – DEM Hold
William O. Lipinski (D-inc) – 145,498 – 75.58%
Karl Groth (R) – 47,005 – 24.42%
Total Votes – 192,503 – 100.00%
United States House of Representatives – District 4 – DEM Hold
Luis V. Gutierrez (D-inc) – 89,487 – 88.63%
Stephanie Sailor (L) – 11,476 – 11.37%
Total Votes – 100,963 – 100.00%
United States House of Representatives – District 5 – DEM Hold
Rod R. Blagojevich (D-inc) – 142,161 – 87.27%
Matt Beauchamp (L) – 20,728 – 12.73%
Total Votes – 162,889 – 100.00%
United States House of Representatives – District 6 – GOP Hold
Henry J. Hyde (R-inc) – 133,327 – 58.94%
Brent Christensen (D) – 92,880 – 41.06%
Total Votes – 226,207 – 100.00%
United States House of Representatives – District 7 – DEM Hold
Danny K. Davis (D-inc) – 164,155 – 85.93%
Robert Dallas (R) – 26,872 – 14.07%
Total Votes – 191,027 – 100.00%
United States House of Representatives – District 8 – GOP Hold
Philip M. Crane (R-inc) – 141,918 – 60.99%
Lance Pressl (D) – 90,777 – 39.01%
Total Votes – 232,695 – 100.00%
United States House of Representatives – District 9 – DEM Hold
Janice D. Schakowsky (D-inc) – 147,002 – 76.43%
Dennis J. Driscoll (R) – 45,344 – 23.57%
Total Votes – 192,346 – 100.00%
United States House of Representatives – District 10 – GOP Hold
Mark Steven Kirk (R) – 121,582 – 51.19%
Lauren Beth Gash (D) – 115,924 – 48.81%
Total Votes – 237,506 – 100.00%
United States House of Representatives – District 11 – GOP Hold
Jerry Weller (R-inc) – 132,384 – 56.37%
James P. Stevenson (D) – 102,485 – 43.63%
Total Votes – 234,869 – 100.00%
United States House of Representatives – District 12 – DEM Hold
Jerry F. Costello (D-inc) – 183,208 – 99.97%
Write-ins – 49 – 0.03%
Total Votes – 183,257 – 100.00%
United States House of Representatives – District 13 – GOP Hold
Judy Biggert (R-inc) – 193,250 – 66.18%
Thomas Mason (D) – 98,768 – 33.82%
Total Votes – 292,018 – 100.00%
United States House of Representatives – District 14 – GOP Hold
J. Dennis Hastert (R-inc) – 188,597 – 73.99%
Vern Deljonson (D) – 66,309 – 26.01%
Write-ins – 3 – 0.00%
Total Votes – 254,909 – 100.00%
United States House of Representatives – District 15 – GOP Hold
Tim Johnson (R) – 125,943 – 53.23%
F. Michael ‘Mike’ Kelleher, Jr. (D) – 110,679 – 46.77%
Total Votes – 236,622 – 100.00%
United States House of Representatives – District 16 – GOP Hold
Donald A. Manzullo (R-inc) – 178,174 – 66.73%
Charles W. Hendrickson (D) – 88,781 – 33.25%
Write-ins – 50 – 0.02%
Total Votes – 267,005 – 100.00%
United States House of Representatives – District 17 – DEM Hold
Lane Evans (D-inc) – 132,494 – 54.90%
Mark Baker (R) – 108,853 – 45.10%
Total Votes – 241,347 – 100.00%
United States House of Representatives – District 18 – GOP Hold
Ray LaHood (R-inc) – 173,706 – 67.06%
Joyce Harant (D) – 85,317 – 32.94%
Total Votes – 259,023 – 100.00%
United States House of Representatives – District 19 – DEM Hold
David D. Phelps (D-inc) – 155,101 – 64.56%
James ‘Jim’ Eatherly (R) – 85,137 – 35.44%
Total Votes – 240,238 – 100.00%
United States House of Representatives – District 20 – GOP Hold
John Shimkus (R-inc) – 161,393 – 63.10%
Jeffrey S. Cooper (D) – 94,382 – 36.90%
Total Votes – 255,775 – 100.00%