National Register of Historic Places listings in Wilmington, Delaware

This is a list of properties listed on the National Register of Historic Places in Wilmington, Delaware:[1] For reasons of size, the listings in New Castle County are divided into three lists: those in Wilmington, other listings in northern New Castle County (north of the Chesapeake and Delaware Canal), and those in southern New Castle County (south of the Chesapeake and Delaware Canal).

Download coordinates as: There are 400 properties and districts listed on the National Register in the county.

Five of these sites are further designated as National Historic Landmarks.

The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in an online map.

[2] This National Park Service list is complete through NPS recent listings posted February 14, 2025.