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History · Unadilla Forks

Unadilla Forks’ post office opened in 1827, and 67% of its homes were built before 1940

1 place in town is on the National Register. Below: maps from 1907 on.

1827first post office
1on the National Register
67%homes built before 1940
1famous people
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Quick answers

How Unadilla Forks began

When was Unadilla Forks founded?

1827

The Unadilla Forks post office opened in 1827, the earliest record of the town by name.

2020 census: 257199 years
Founding year: the first Unadilla Forks post office (Blevins & Helbock, CC0).

What stands out about Unadilla Forks’ past

Read from the archive, the National Register and the record. The page puts what stands out first.

A history waiting to be writtenNo old photos of Unadilla Forks are in the public archives yet. The rest are in attics and albums.Old housesHalf of Unadilla Forks’ homes were built before 1938.Deep rootsA post office since 1827: 199 years of Unadilla Forks.
★ What stands out · Help out

Start Unadilla Forks’s collection

The first neighbors to add old photos shape how Unadilla Forks’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
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The story so far

Unadilla Forks, in brief

Wikipedia doesn’t have a history of Unadilla Forks yet. The photos, dates and memories neighbors add here are how it gets written.

Unadilla Forks is a hamlet (and census-designated place) in the Town of Plainfield in Otsego County, New York, United States, at the confluence of the two branches of the Unadilla River on the Otsego-Madison County border. As of the 2020 census, Unadilla Forks had a population of 257. The Unadilla Forks School was listed on the National Register of Historic Places in 1998.

Its first post office opened in 1827.

Intro from Wikipedia. Population: U.S. Census Bureau.

By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

Be the first to add onePhotograph a print flat, in daylight, no flash.
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On the map

Unadilla Forks on the map, 1907 to 1943

Every edition of the U.S. Geological Survey’s map of Unadilla Forks. Tap a year, or press play to watch the town change.

Unadilla Forks on the 1907 USGS mapUnadilla Forks on the 1943 USGS map1907Winfield 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 Unadilla Forks.

On the National Register

1 historic place in Unadilla Forks

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Plainfield1 historic placenot graded: under 1,000 residents or part of its townBrookfield1 historic placeABridgewater2 historic placesA−

Questions about Unadilla Forks’ history

What year was Unadilla Forks founded?

The Unadilla Forks post office opened in 1827, the earliest record of the town by name (U.S. post office records).

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
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Sources

Where this page comes from

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 Wikidata and Wikipedia for famous people and U.S. Geological Survey historical maps. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.