page_title: 2010 United States House of Representatives elections in Illinois
section_title: District 13
hierarchical_section_title: 2010 United States House of Representatives elections in Illinois / District 13
context_page_description: 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. Republican Mark Kirk of the 10th district did not seek re-election in order to run for the U.S. Senate, while Democrats 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 were defeated in the general election.
  In total, eleven Republicans and eight Democrats were elected.
context_section_description: The 13th district included Bolingbrook and parts of Aurora and Naperville. The district's population was 74 percent white, 10 percent Hispanic, 8 percent Asian and 6 percent black (see Race and ethnicity in the United States Census); 93 percent were high school graduates and 46 percent had received a bachelor's degree or higher. Its median income was $84,132. In the 2008 presidential election the district gave 54 percent of its vote to Democratic nominee Barack Obama and 44 percent to Republican nominee John McCain.
  Republican Judy Biggert, who took office in 1999, was the incumbent. Biggert was re-elected in 2008 with 54 percent of the vote. In 2010 Biggert's opponent in the general election was Democratic nominee Scott Harper, an adjunct professor at North Central College and former business owner. Biggert and Harper were unopposed in their respective party primaries.
  Biggert raised $1,584,517 and spent $1,236,454. Harper raised $648,365 and spent $616,389. In a poll of 400 likely voters, conducted by the Global Strategy Group for Harper's campaign between June 28 and 30, 2010, 55 percent of respondents supported Biggert while 29 percent favored Harper. In a poll by Linda DiVall and Randall Gutermuth for Biggert's campaign, conducted on July 27 and 28, 2010, with a sample size of 400, Biggert led with 61 percent to Harper's 28 percent, while 10 percent were undecided.
  Prior to the election FiveThirtyEight's forecast gave Biggert a 99 percent chance of winning and projected that she would receive 59 percent of the vote to Harper's 39 percent. On election day Biggert was re-elected with 64 percent of the vote to Harper's 36 percent. Biggert unsuccessfully sought re-election in 2012 in the new 11th district.
caption: Judy Biggert, who was re-elected as the U.S. Representative for the 13th district
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