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Allegany Township silosPhoto: Nicholas from Pennsylvania, USA · CC BY 2.0
–Not graded
History · Allegany Township

Allegany Township dates to 1828, and 19% of its homes were built before 1940

Below: maps from 1932 on and the census since 2000.

1828founded
0on the National Register
19%homes built before 1940
Photo: Nicholas from Pennsylvania, USA · CC BY 2.0
Quick answers

How Allegany Township began

When was Allegany Township founded?

1828

Allegany Township dates its founding to 1828 (Wikidata). The census first counted it in 2000.

First census: 402 in 20002020 census: 397198 years
Founding year: Wikidata. First post office: 1833.

What stands out about Allegany Township’s past

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

★ What stands out · Places that used to be

Lost post offices, old corners, places now gone and burying grounds

Five other post offices opened and closed inside today’s town.

Allegheny
1833–1836
Colesburg
1845–1919
Raymond
1853–1939
Andrew's Settlement
1877–1924
Seven Bridges
1899–1907
18301930today
Hamlets and corners on the map
Andrews SettlementColesburgLewis CornerRaymondReynoldstown
Gone or out of use
Ho-Dah-We Boy Scout Camplocale
1cemetery inside Allegany Township
Ford Hill

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Help out

Start Allegany Township’s collection

The first neighbors to add old photos shape how Allegany Township’s history is told.

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

Allegany Township, 1828 to 1939

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1828
    FoundingAllegany Township is established
  3. 1833Post officeThe Allegheny post office opens
  4. 1836Post officeThe Allegheny post office closes
  5. 1845Post officeThe Colesburg post office opens
  6. 1853Post officeThe Raymond post office opens
  7. 20th century
  8. 1919Post officeThe Colesburg post office closes
  9. 1932On the mapFirst mapped by the U.S. Geological Survey
  10. 1939Post officeThe Raymond post office closes
The story so far

Allegany Township, in brief

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

Allegany Township is a township in Potter County, Pennsylvania, United States. The population was 397 at the 2020 census. Allegany Township is unusual in that it uses a variant spelling of the word Allegheny more commonly associated with the state of New York in its name. Most other entities in Pennsylvania use the "Allegheny" spelling.

Allegany Township was established in 1828. Between the 2010 and 2020 censuses its population fell from 422 to 397 (-6%).

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.

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On the map

Allegany Township on the map, 1932 to 1969

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

Allegany Township on the 1932 USGS mapAllegany Township on the 1969 USGS map1932Genesee 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 Allegany Township.

People over time

Allegany Township, census by census

010020030040020002020Peak: 422

Between 397 and 422 people in every census since 2000.

3 censuses, 2000–2020.

U.S. Census Bureau decennial counts, from the census table on Allegany Township’s Wikipedia page.

Famous people

Famous people close to Allegany Township

Nobody well known was born in Allegany Township itself, so here are the best known from just nearby.

See all →
Stories next door

History across the town line

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

Questions about Allegany Township’s history

What year was Allegany Township founded?

In 1828, according to Wikidata. Allegany Township’s post office opened in 1833, and the census of 2000 counted 402 people here.

Memory lane

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

Town Square →
Start a conversation
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 U.S. Geological Survey historical maps, U.S. Census counts (via 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.