Originally known as Northern Berkshire Township Number 2 and including all of Hinsdale and part of Middlefield, the town was first settled in 1767 and was officially incorporated as Partridgefield in 1771. Originally named for Oliver Partridge, one of the three purchasers of the town (along with Governor Francis Bernard), the name was officially changed to Peru in 1806, on the suggestion of the Rev. John Leland, "because it is like the Peru of South America, a mountain town, and if no gold or silver mines are under her rocks, she favors hard money and begins with a P."
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), Wikipedia, 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.