[1] At the time of its nomination it consisted of 110 resources, which included 94 contributing buildings, five contributing structures, nine non-contributing buildings, and two non-contributing structures.

For the most part, the houses here are larger in scale and include examples of Victorian and the various revival and American Movement styles from the late 19th and 20th centuries.

The district is completely residential with no commercial or institutional buildings, and with only one multi-family house, a duplex.

The district derives its name from the Langworthy family who were early settlers in Dubuque and played a prominent role in the development of the local lead mining industry and the city itself.

This article about a property in Dubuque County, Iowa on the National Register of Historic Places is a stub.