Most of New Hamburg was built recently: 6% of its homes predate 1940 and the median home dates from 1974. Below: 1 old photo or paper and maps from 1934 on.
From New Hamburg’s archive · credits on each photo
Quick answers
How New Hamburg began
When was New Hamburg founded?
1874
The New Hamburg post office opened in 1874, the earliest record of the town by name. Another post office, Saint Lawrence (1866), opened inside today’s town and later closed.
2020 census: 218152 years
Founding year: the first New Hamburg post office (Blevins & Helbock, CC0).The full story ↓
What stands out about New Hamburg’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
New Hamburg was originally called Hamburg, and under the latter name was platted in 1866. The community was named after Hamburg, in Germany, the native land of a large share of the first settlers. A post office called New Hamburg was established in 1874, and remained in operation until 1972.
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), Wikipedia, 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.