The 2027 Chicago mayoral election will be held on February 23, 2027, to elect the mayor of Chicago, Illinois. If no candidate receives a majority of the vote, a runoff election will be held on April 6, 2027. This market will resolve according to the candidate that wins the election. The primary resolution source for this market will be a consensus of credible reporting; however, if there is any ambiguity in the results, this market will resolve according to official information from the City of Chicago.