Sussex County Courthouse Historic District · Photo: Calvin Beale · Public domain
–Not graded
History · Sussex
Sussex’s post office opened in 1896, and 1 of its places is on the National Register
Most of Sussex was built recently: 0.0% of its homes predate 1940 and the median home dates from 1992. 1 place in town is on the National Register, among them a historic district with 4 buildings. Below: 1 old photo or paper and maps from 1919 on.
The Sussex post office opened in 1896, the earliest record of the town by name. Another post office, Sussex Courthouse (1799), opened inside today’s town and later closed.
2020 census: 181130 years
Founding year: the first Sussex post office (Blevins & Helbock, CC0).
What stands out about Sussex’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →
From the Library of Congress (1), the National Register of Historic Places (1), U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.