Joe Walsh, Bob Dold, Judy Biggert, and Bobby Schilling were all defeated in their bids for re-election.

A redistricting bill was introduced to the Illinois General Assembly by members of the Democratic Party in May 2011.

As a result, no one was seated in the 113th Congress for the 2nd congressional district, and a special election was called for April, 2013, to fill the vacancy.

Newspapers Labor unions Organizations Newspapers Joe Walsh Republican Tammy Duckworth Democratic Republican Joe Walsh, who was first elected to represent the 8th district in 2010, ran for re-election despite no longer living within the redrawn boundaries of the district.

[52] Walsh defeated write-in candidate Robert Canfield, a business owner who had planned to challenge him in the Republican primary before being removed from the ballot by the Illinois Board of Elections.

[132] Newspapers In May 2012, Harriman dropped out of the race because of an illness; that left the decision of whom to name as a replacement candidate up to a committee that included the 12 Democratic county chairmen in the district and Rep.

[134][135] Newspapers Paula Bradshaw, a registered nurse, ran as the Green Party nominee.

[142] Retha Daugherty, a small-business owner and resident of Carbondale, had announced her intentions to be on the ballot as an independent candidate,[143] but had to drop her bid in April 2012 because of a change in state election law.

Newspapers Although Johnson won the primary, in April 2012, he chose to retire rather than seek re-election.

The 14 GOP county chairmen in the district unanimously selected Rodney Davis as the party nominee.

[154] Newspapers John Hartman, a medical technology company CFO, ran as an independent candidate.

[169] Organizations Newspapers Labor unions Organizations With Jerry Clarke With Generic Democratic Randy Hultgren Republican Randy Hultgren Republican The redrawn 14th district includes McHenry County and parts of DuPage, Kane, Kendall, Lake, and Will counties.

Newspapers Organizations Bronco Bojovic, a businessman, had planned to run as an Independent candidate but dropped out of the race in February 2012.

[37] Peoria's more Democratic southern portion was shifted to the 17th district, and was replaced by the heavily Republican Bloomington-Normal and Quincy areas.