United States House of Representatives – District 1 – DEM Hold
Bobby Rush (D-inc) – 146,623 – 84.06%
Jason E. Tabour (R) – 27,804 – 15.94%
Total Votes – 174,427 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Jesse Jackson, Jr. (D-inc) – 146,347 – 84.84%
Robert Belin (R) – 20,395 – 11.82%
Anthony W. Williams (L) – 5,748 – 3.33%
Total Votes – 172,490 – 100.00%
United States House of Representatives – District 3 – DEM Hold
Dan Lipinski (D-inc) – 127,768 – 77.10%
Raymond G. Wardingley (R) – 37,954 – 22.90%
Total Votes – 165,722 – 100.00%
United States House of Representatives – District 4 – DEM Hold
Luis Gutierrez (D-inc) – 69,910 – 85.84%
Ann Melichar (R) – 11,532 – 14.16%
Total Votes – 81,442 – 100.00%
United States House of Representatives – District 5 – DEM Hold
Rahm Emanuel (D-inc) – 114,319 – 77.99%
Kevin Edward White (R) – 32,250 – 22.00%
Write-ins – 12 – 0.01%
Total Votes – 146,581 – 100.00%
United States House of Representatives – District 6 – GOP Hold
Peter Roskam (R) – 91,382 – 51.35%
Tammy Duckworth (D) – 86,572 – 48.65%
Write-ins – 3 – 0.00%
Total Votes – 177,957 – 100.00%
United States House of Representatives – District 7 – DEM Hold
Danny K. Davis (D-inc) – 143,071 – 86.70%
Charles Hutchinson (R) – 21,939 – 13.30%
Write-In – 1 – 0.00%
Total Votes – 165,011 – 100.00%
United States House of Representatives – District 8 – DEM Hold
Melissa Bean (D-inc) – 93,355 – 50.90%
David McSweeney (R) – 80,720 – 44.01%
Bill Scheurer (Mod.-W/I) – 9,319 – 5.08%
Total Votes – 183,394 – 100.00%
United States House of Representatives – District 9 – DEM Hold
Jan Schakowsky (D-inc) – 122,852 – 74.59%
Michael P. Shannon (R) – 41,858 – 25.41%
Write-In – 1 – 0.00%
Total Votes – 164,710 – 100.00%
United States House of Representatives – District 10 – GOP Hold
Mark Kirk (R-inc) – 107,929 – 53.38%
Dan Seals (D) – 94,278 – 46.62%
Write-In – 1 – 0.00%
Total Votes – 202,208 – 100.00%
United States House of Representatives – District 11 – GOP Hold
Jerry Weller (R-inc) – 109,009 – 55.10%
John Pavich (D) – 88,846 – 44.90%
Total Votes – 197,855 – 100.00%
United States House of Representatives – District 12 – DEM Hold
Jerry Costello (D-inc) – 157,284 – 100.00%
Write-ins – 7 – 0.00%
Total Votes – 157,291 – 100.00%
United States House of Representatives – District 13 – GOP Hold
Judy Biggert (R-inc) – 119,720 – 58.34%
Joseph Shannon (D) – 85,507 – 41.66%
Write-In – 7 – 0.00%
Total Votes – 205,234 – 100.00%
United States House of Representatives – District 14 – GOP Hold
Dennis Hastert (R-inc) – 117,870 – 59.79%
John Laesch (D) – 79,274 – 40.21%
Total Votes – 197,144 – 100.00%
United States House of Representatives – District 15 – GOP Hold
Tim Johnson (R-inc) – 116,810 – 57.59%
David Gill (D) – 86,025 – 42.41%
Total Votes – 202,835 – 100.00%
United States House of Representatives – District 16 – GOP Hold
Donald Manzullo (R-inc) – 125,508 – 63.55%
Richard D. Auman (D) – 63,462 – 32.13%
John Borling (I) – 8,523 – 4.32%
Total Votes – 197,493 – 100.00%
United States House of Representatives – District 17 – DEM Hold
Phil Hare (D) – 115,025 – 57.17%
Andrea Zinga (R) – 86,161 – 42.83%
Total Votes – 201,186 – 100.00%
United States House of Representatives – District 18 – GOP Hold
Ray LaHood (R-inc) – 150,194 – 67.28%
Steve Waterworth (D) – 73,052 – 32.72%
Total Votes – 223,246 – 100.00%
United States House of Representatives – District 19 – GOP Hold
John Shimkus (R-inc) – 143,491 – 60.71%
Danny L. Stover (D) – 92,861 – 39.29%
Total Votes – 236,352 – 100.00%