Sheldon Schafer

United States House of Representatives elections in Illinois, 2010

← 2008 November 2, 2010 (2010-11-02) 2012 →
All 18 Illinois seats to the United States House of Representatives
Majority party Minority party   Party Republican Democratic Last election 7 12 Seats won 11 8 Seat change 4 4 Popular vote 1,720,016 1,876,316 Percentage 46.53% 50.76%
General election results per district

Elections were held on November 2, 2010, to determine Illinois's 19 members of the United States House of Representatives. Representatives were elected for two-year terms to serve in the 112th United States Congress from January 3, 2011, until January 3, 2013. Primary elections were held on February 2, 2010.

Of the 19 elections, the 10th, 11th, 14th and 17th districts were rated as competitive by CQ Politics and The Rothenberg Political Report; while the 8th, 10th, 11th, 14th and 17th districts were rated as competitive by The Cook Political Report and Sabato's Crystal Ball. Of Illinois's nineteen U.S. Representatives, fourteen were re-elected; of those who were not, one (Mark Kirk of the 10th district) did not seek re-election, while four (Melissa Bean of the 8th district, Debbie Halvorson of the 11th district, Bill Foster of the 14th district and Phil Hare of the 17th district) unsuccessfully sought re-election.

In total, eleven Republicans and eight Democrats were elected. A total of 3,696,159 votes were cast, of which 1,876,316 (51 percent) were for Democratic candidates, 1,720,016 (47 percent) were for Republican candidates, 95,348 (3 percent) were for Green Party candidates, 4,428 (0.1 percent) were for independent candidates and 51 (0.001 percent) were for write-in candidates. As of 2016, this is the last time in which Republicans won a majority of congressional districts from Illinois.