Statement of Significance (as of designation - March 20, 2006):
The Madison Historic District displays a continuity of all architectural styles from founding ca. 1817 - ca. 1939. Impressive numbers of significant buildings especially Federal, Greek Revival and Italianate styles. Mansions, row houses and shotgun worker housing represent all socio-economic groups. Range of domestic, commercial, public, religious and industrial buildings reflect small-town American values. Remarkably intact infrastructure from 19th century including culverts, retaining walls, curbs and gutters, bridges, road grades and alignment. Existing neighborhood and houses identified with specific leaders of Underground Railroad activities through end of Civil War.