Wrightsville is an unincorporated community in Fairfield Township, Madison County, Ohio, United States. It is located at 39°51′40″N 83°14′50″W / 39.86111°N 83.24722°W, at the intersection of Ohio State Route 665 and Georgesville-Wrightsville Road, approximately four miles north of Kiousville. Some national maps mistakenly show Wrightsvill…Wrightsville is an unincorporated community in Fairfield Township, Madison County, Ohio, United States. It is located at 39°51′40″N 83°14′50″W / 39.86111°N 83.24722°W, at the intersection of Ohio State Route 665 and Georgesville-Wrightsville Road, approximately four miles north of Kiousville. Some national maps mistakenly show Wrightsville in Franklin County.