The city of Chicago, Illinois held a nonpartisan mayoral election on Tuesday, February 22, 2011. Incumbent Mayor Richard M. Daley, a member of the Democratic Party who had been in office since 1989, did not seek a seventh term as mayor. Candidates needed to collect 12,500 petition signatures by November 22, 2010 to qualify for a place on the ballot. April 5, 2011 was scheduled to be a runoff election date if no candidate received an absolute majority. Rahm Emanuel won the race for mayor with more than 55% of the vote. He was inaugurated on May 16, 2011.