Most of Rosenhayn was built recently: 8% of its homes predate 1940 and the median home dates from 1974. Below: maps from 1890 on and the census since 1990.
Photo: Mr. Matté (if there is an issue with this image, contact me using this image's Commons talk page, my Commons user talk page, or my English Wikipedia user talk page; I'll know about it a lot faster) · CC BY-SA 4.0
Quick answers
How Rosenhayn began
When was Rosenhayn founded?
1870
The Rosenhayn post office opened in 1870, the earliest record of the town by name.
First census: 1,053 in 19902020 census: 1,150156 years
Founding year: the first Rosenhayn post office (Blevins & Helbock, CC0).
What stands out about Rosenhayn’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Rosenhayn. Tap a year, or press play to watch the town change.
1890Bridgeton sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Rosenhayn.
The story so far
Rosenhayn, in brief
Wikipedia doesn’t have a history of Rosenhayn yet. The photos, dates and memories neighbors add here are how it gets written.
Rosenhayn is an unincorporated community and census-designated place (CDP) located within Deerfield Township, in Cumberland County, in the U.S. state of New Jersey. It is part of the Vineland-Millville- Bridgeton Primary Metropolitan Statistical Area for statistical purposes. As of the 2020 census, Rosenhayn had a population of 1,150. Rosenhayn was founded as a Jewish agricultural colony and the 1898 Rosenhayn synagogue is one of the fewer than 100 surviving nineteenth century synagogue buildings in the United States.
Its first post office opened in 1870. Between the 2010 and 2020 censuses its population grew from 1,098 to 1,150 (+5%).
Intro from Wikipedia. Population: U.S. Census Bureau.
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 Wikimedia Commons (6), Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps and U.S. Census counts (via Wikipedia). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.