Chicago has hosted the most United States presidential nominating conventions ( 14 Republican National Conventions and 11 Democratic National Conventions , in addition to one notable Progressive Party assembly ) . The 1860 Republican National Convention ( the second Republican National Convention ) was held at the Wigwam . The 1864 Democratic National Convention was hosted in a different " Wigwam " built for the convention as a semicircular roofed amphitheater . These were the first Chicago visits for each party 's national convention . Baltimore has hosted 10 and Philadelphia has hosted 9 . The 1868 Republican National Convention returned to Chicago , but it was located at the Crosby Opera House . The 1892 Democratic National Convention convened in a temporary " Wigwam " in Lake Park for Grover Cleveland 's third nomination
1892 Democratic National Convention
1892 Democratic National Convention
Wigwam (Chicago)