Ashtabula County Ohio (Historic Districts) has 3 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Ashtabula County Courthouse Group, Ashtabula Harbour Commercial District, Windsor Corners District.
The famous person Benjamin Wade is associated with one of more of the Ashtabula County historic places. Prominent architectural styles found in Ashtabula Country are Italianate, Classical Revival and Gothic Revival.