United States House of Representatives – District 1 – DEM Hold
Bobby Rush (D-inc) – 236,854 – 73.82%
Donald E. Peloquin (R) – 83,989 – 26.18%
John Hawkins (W/I) – 1 – 0.00%
Total Votes – 330,844 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Jesse Jackson, Jr. (D-inc) – 188,303 – 63.25%
Brian Woodworth (R) – 69,115 – 23.22%
Marcus Lewis (I) – 40,006 – 13.44%
Anthony W. Williams (W/I) – 288 – 0.10%
Total Votes – 297,712 – 100.00%
United States House of Representatives – District 3 – DEM Hold
Dan Lipinski (D-inc) – 168,738 – 68.48%
Richard Grabowski (R) – 77,653 – 31.52%
Laura Anderson (W/I) – 7 – 0.00%
Total Votes – 246,397 – 100.00%
United States House of Representatives – District 4 – DEM Hold
Luis Gutierrez (D-inc) – 133,226 – 83.00%
Hector Concepcion (R) – 27,279 – 17.00%
Ymelda Viramontes (W/I) – 4 – 0.00%
Total Votes – 160,509 – 100.00%
United States House of Representatives – District 5 – DEM Hold
Mike Quigley (D-inc) – 177,729 – 65.73%
Dan Schmitt (R) – 77,289 – 28.59%
Nancy Wade (G) – 15,359 – 5.68%
Total Votes – 270,377 – 100.00%
United States House of Representatives – District 6 – GOP Hold
Peter Roskam (R-inc) – 193,138 – 59.22%
Leslie Coolidge (D) – 132,991 – 40.78%
Total Votes – 326,129 – 100.00%
United States House of Representatives – District 7 – DEM Hold
Danny Davis (D-inc) – 242,439 – 84.64%
Rita Zak (R) – 31,466 – 10.99%
John H. Monaghan (I) – 12,523 – 4.37%
Phil Collins (W/I) – 5 – 0.00%
Dennis Richter (W/I) – 2 – 0.00%
Total Votes – 286,435 – 100.00%
United States House of Representatives – District 8 – DEM Gain
Tammy Duckworth (D) – 123,206 – 54.74%
Joe Walsh (R-inc) – 101,860 – 45.26%
Total Votes – 225,066 – 100.00%
United States House of Representatives – District 9 – DEM Hold
Jan Schakowsky (D-inc) – 194,869 – 66.33%
Timothy C. Wolfe (R) – 98,924 – 33.67%
Hilaire Fuji Shioura (W/I) – 8 – 0.00%
Susanne Atanus (W/I) – 6 – 0.00%
Total Votes – 293,807 – 100.00%
United States House of Representatives – District 10 – DEM Gain
Brad Schneider (D) – 133,890 – 50.63%
Robert Dold (R-inc) – 130,564 – 49.37%
Total Votes – 264,454 – 100.00%
United States House of Representatives – District 11 – DEM Gain
Bill Foster (D) – 148,928 – 58.57%
Judy Biggert (R-inc) – 105,348 – 41.43%
Chris Michel (W/I) – 19 – 0.01%
Total Votes – 254,295 – 100.00%
United States House of Representatives – District 12 – DEM Hold
William Enyart (D) – 157,000 – 51.65%
Jason Plummer (R) – 129,902 – 42.74%
Paula Bradshaw (G) – 17,045 – 5.61%
Shon-Tiyon Horton (W/I) – 2 – 0.00%
Total Votes – 303,949 – 100.00%
United States House of Representatives – District 13 – GOP Hold
Rodney Davis (R) – 137,034 – 46.55%
David Gill (D) – 136,032 – 46.21%
John Hartman (I) – 21,319 – 7.24
Total Votes – 294,385 – 100.00%
United States House of Representatives – District 14 – GOP Hold
Randy Hultgren (R-inc) – 177,603 – 58.82%
Dennis Anderson (D) – 124,351 – 41.18%
Total Votes – 301,954 – 100.00%
United States House of Representatives – District 15 – GOP Hold
John Shimkus (R-inc) – 205,775 – 68.61%
Angela Michael (D) – 94,162 – 31.39%
Total Votes – 299,937 – 100.00%
United States House of Representatives – District 16 – GOP Hold
Adam Kinzinger (R-inc) – 181,789 – 61.81%
Wanda Rohl (D) – 112,301 – 38.19%
Total Votes – 294,090 – 100.00%
United States House of Representatives – District 17 – DEM Gain
Cheri Bustos (D) – 153,519 – 53.28%
Bobby Schilling (R-inc) – 134,623 – 46.72
Eric Reyes (W/I) – 10 – 0.00%
Joe Faber (W/I) – 9 – 0.00%
Total Votes – 288,161 – 100.00%
United States House of Representatives – District 18 – GOP Hold
Aaron Schock (R-inc) – 244,467 – 74.16%
Steve Waterworth (D) – 85,164 – 25.84%
Total Votes – 329,631 – 100.00%