Thaddeus Jones is an American politician, currently serving as both the Illinois state representative for the 29th district and as the mayor of Calumet City, Illinois. The 29th district includes all or parts of Chicago, Dolton, South Holland, Lansing, Calumet City, Thornton, Glenwood, Lansing Village, Steger, Crete and Monee. Jones is a member of the Democratic Party.