United States Senate – GOP Gain
Mark Kirk (R) – 1,778,698 – 48.01%
Alexi Giannoulias (D) – 1,719,478 – 46.42%
LeAlan Jones (G) – 117,914 – 3.18%
Mike Labno (L) – 87,247 – 2.36%
Bob Zadek (W/I) – 561 – 0.02%
Will Boyd (W/I) – 468 – 0.01%
Corey Dabney (W/I) – 33 – 0.00%
Susanne Atanus (W/I) – 19 – 0.00%
Santiago Horton (W/I) – 16 – 0.00%
Avner Nagar (W/I) – 15 – 0.00%
Stan Jagla (W/I) – 12 – 0.00%
Darren Raichart (W/I) – 9 – 0.00%
Lowell M. Seida (W/I) – 3 – 0.00%
Total Votes – 3,704,473 – 100.00%
United States House of Representatives – District 1 – DEM Hold
Bobby Rush (D-inc) – 148,170 – 80.36%
Ray Wardingley (R) – 29,253 – 15.87%
Jeff Adams (G) – 6,963 – 3.78%
Total Votes – 184,386 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Jesse Jackson, Jr. (D-inc) – 150,666 – 80.52%
Isaac C. Hayes (R) – 25,883 – 13.83%
Anthony Williams (G) – 10,564 – 5.65%
Total Votes – 187,113 – 100.00%
United States House of Representatives – District 3 – DEM Hold
Dan Lipinski (D-inc) – 116,120 – 69.69%
Michael A. Bendas (R) – 40,479 – 24.29%
Laurel Lambert Schmidt (G) – 10,028 – 6.02%
Total Votes – 166,627 – 100.00%
United States House of Representatives – District 4 – DEM Hold
Luis Gutiérrez (D-inc) – 63,273 – 77.36%
Israel Vasquez (R) – 11,711 – 14.32%
Robert J. Burns (G) – 6,808 – 8.32%
Total Votes – 81,792 – 100.00%
United States House of Representatives – District 5 – DEM Hold
Michael Quigley (D-inc) – 108,360 – 70.62%
David Ratowitz (R) – 38,935 – 25.38%
Matthew Reichel (G) – 6,140 – 4.00%
Total Votes – 153,435 – 100.00%
United States House of Representatives – District 6 – GOP Hold
Peter Roskam (R-inc) – 114,456 – 63.65%
Benjamin S. Lowe (D) – 65,379 – 36.35%
Total Votes – 179,835 – 100.00%
United States House of Representatives – District 7 – DEM Hold
Danny Davis (D-inc) – 149,846 – 81.50%
Mark M. Weiman (R) – 29,575 – 16.09%
Clarence Desmond Clemons (I) – 4,428 – 2.41%
Total Votes – 183,849 – 100.00%
United States House of Representatives – District 8 – GOP Gain
Joe Walsh (R) – 98,115 – 48.47%
Melissa Bean (D-inc) – 97,825 – 48.32%
Bill Scheurer (G) – 6,495 – 3.21%
Total Votes – 202,435 – 100.00%
United States House of Representatives – District 9 – DEM Hold
Jan Schakowsky (D-inc) – 117,553 – 66.34%
Joel Barry Pollak (R) – 55,182 – 31.14%
Simon Ribeiro (G) – 4,472 – 2.52%
Total Votes – 177,207 – 100.00%
United States House of Representatives – District 10 – GOP Hold
Robert Dold (R) – 109,941 – 51.08%
Daniel Seals (D) – 105,290 – 48.92%
Author C. Brumfield (W/I) – 1 – 0.00%
Total Votes – 215,232 – 100.00%
United States House of Representatives – District 11 – GOP Gain
Adam Kinzinger (R) – 129,108 – 57.35%
Debbie Halvorson (D-inc) – 96,019 – 42.65%
Total Votes – 225,127 – 100.00%
United States House of Representatives – District 12 – DEM Hold
Jerry Costello (D) – 121,272 – 59.83%
Teri Newman (R) – 74,046 – 36.53%
Rodger Jennings (G) – 7,387 – 3.64%
Total Votes – 202,705 – 100.00%
United States House of Representatives – District 13 – GOP Hold
Judy Biggert (R-inc) – 152,132 – 63.81%
Scott Harper (D) – 86,281 – 36.19%
Total Votes – 238,413 – 100.00%
United States House of Representatives – District 14 – GOP Gain
Randy Hultgren (R) – 112,369 – 51.31%
Bill Foster (D-inc) – 98,645 – 45.04%
Daniel J. Kairis (G) – 7,949 – 3.63%
Doug Marks (W/I) – 50 – 0.02%
Total Votes – 219,013 – 100.00%
United States House of Representatives – District 15 – GOP Hold
Tim Johnson (R-inc) – 136,915 – 64.32%
David Gill (D) – 75,948 – 35.68%
Total Votes – 212,863 – 100.00%
United States House of Representatives – District 16 – GOP Hold
Donald Manzullo (R-inc) – 138,299 – 65.00%
George W. Gaulrapp (D) – 66,037 – 31.04%
Terry G. Campbell (G) – 8,425 – 3.96%
Total Votes – 212,761 – 100.00%
United States House of Representatives – District 17 – GOP Gain
Bobby Schilling (R) – 104,583 – 52.58%
Phil Hare (D-inc) – 85,454 – 42.96%
Roger K. Davis (G) – 8,861 – 4.46%
Total Votes – 198,898 – 100.00%
United States House of Representatives – District 18 – GOP Hold
Aaron Schock (R-inc) – 152,868 – 69.12%
Dierdre ‘D. K.’ Hirner (D) – 57,046 – 25.79%
Sheldon Schafer (G) – 11,256 – 5.09%
Total Votes – 221,170 – 100.00%
United States House of Representatives – District 19 – GOP Hold
John Shimkus (R-inc) – 166,166 – 71.22%
Tim Bagwell (D) – 67,132 – 28.78%
Total Votes – 233,298 – 100.00%