Elections were held in Illinois on Tuesday, November 2, 2010. Primary elections were held on February 2, 2010. Election information 2010 was a midterm election year in the United States. Turnout Primary election For the primary election, turnout was 23.14%, with 1,758,489 votes cast. Turnout by county General election For the general election, turnout was 50.53%, with 3,792,770 votes cast. Turnout by county Federal elections United States Senate Incumbent Democrat Roland Burris, appointed in 2009 by then-Governor Rod Blagojevich to fill the U.S. Senate seat that Barack Obama had vacated after being elected President of the United States, did not seek reelection. U.S. Congressman Mark Kirk (Republican Party) won against State Treasurer Alexi Giannoulias (Democratic Party), Mike Labno (Libertarian Party), and football coach LeAlan Jones (Green Party) in both a regular election for the Senate seat and a coinciding special election to fill the remainder of Barack Obama's unexpired term. United States House All Illinois seats in the United States House of Representatives were up for election in 2010. The Republican Party flipped four Democratic-held seats, making the composition of Illinois' House delegation 11 Republicans and 8 Democrats. State elections Governor and Lieutenant Governor Incumbent Governor Pat Quinn, who became governor after Rod Blagojevich was removed from office, was elected outright to his first full term. Attorney General Incumbent Democratic Attorney General Lisa Madigan won reelection to a third term in office Democratic primary Republican primary Green primary General election Secretary of State Incumbent Democratic Secretary of State Jesse White won reelection to a fourth term in office. Democratic primary Republican primary Green primary General election Green Party nominee Adrian Frost withdrew before the election. Comptroller Incumbent Comptroller Daniel Hynes, a Democrat, did not seek a fourth term. Republican Judy Baar Topinka was elected to succeed him. Democratic primary Republican primary Green primary General election Treasurer Incumbent Treasurer Alexi Giannoulias, a Democrat, did not seek reelection to a second term, instead opting to run for United States Senate. Republican Dan Rutherford was elected to succeed him. , this is the last time a Republican was elected Illinois state treasurer. Democratic primary Republican primary Green primary General election State Senate One-third of the seats of the Illinois Senate were up for election in 2010. State House of Representatives All of the seats in the Illinois House of Representatives were up for election in 2010. Judicial elections Multiple judicial positions were up