Yaphank’s post office opened in 1845, and 5 of its places are on the National Register
Most of Yaphank was built recently: 7% of its homes predate 1940 and the median home dates from 1990. Below: 6 old photos and papers, maps from 1904 on, and old-book passages.
Captain Robert Robinson came to Yaphank and built his Dutch Colonial house with the building dated at 1726. He was then granted permission to dam the Carmans River to build a mill across the street from his house. The construction of this mill in 1739 was considered the founding date of the Hamlet of Yaphank.
Passages that mention Yaphank, cut from the printed page as they were published.
...History of Suffolk county, New York1882 · page 49Read the page →
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The southeastern part of what was once the parish of Middletown, locally known as Millville, is now comprised in the village of Yaphank, the name of which is borrowed from a little stream that joins the Connecticut River some four miles below. Yaphank is a village of about three hundred inhabitants, and has recently become conspicuous on account of the county alms-house located here.
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...History of Suffolk county, New York1882 · page 13Read the page →
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13. This was land upon which most of the village of Yaphank lies. 13. Extending from the east line of the town west to Miller's Place, it was bounded on the south by the Country road and reached north to the sound except where land already appropriated intervened along the north side. This division was completed May 4th 1729, by Hiehard Woodhull and Nathaniel Brewster, surveyors.
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Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
By decade
Yaphank, decade by decade
4 decades in the archive, from the 1860s to the 1910s. Scroll each row; tap a photo for its story.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
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, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.