 However, concern over economic decline in the “Rust Belt” saw Donald Trump produce a dramatic swing in the 2016 election, winning Fulton County by fifteen percentage points and gaining the best GOP record in the county since 1980.The fictional town of Lanford, Illinois in the sitcom "Roseanne" is set in Fulton County.Even though Fulton County is near Peoria in real life, Lanford on the show is described as a suburb of Chicago near Elgin and Aurora.