 From 1991 until 2001, the district stretched from Christian County in the east to Calhoun County in the west and included Montgomery, Bond, Macoupin, Greene, Jersey, Morgan counties and a small portion of Madison County.During the 2001 redistricting process, his district remained largely the same, though it added a small portion of Fayette County.Demuzio spent the bulk of his career as a member of the Education committee.