The members of Aussiecon 4 selected Chicago , Illinois , as the host city for the 70th World Science Fiction Convention , Chicon 7 , to be held in 2012 in an uncontested election . With only 526 ballots cast , this election had the lowest turnout since records began to be kept in 1974 . The voting breakdown was 447 votes for Chicago , 20 ballots expressed no preference , and there were 59 write-in votes for various sites
70th World Science Fiction Convention
70th World Science Fiction Convention
68th World Science Fiction Convention