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History · Allenport

Allenport dates to 1816, and 36% of its homes were built before 1940

Below: 1 old photo or paper, maps from 1902 on, and the census since 1880.

1816founded
0on the National Register
36%homes built before 1940
1old photo or paper
2famous people
Add an old photoShare a memory
From Allenport’s archive · credits on each photo
Quick answers

How Allenport began

When was Allenport founded?

1816

Allenport dates its founding to 1816 (Wikidata). The census first counted it in 1880.

First census: 163 in 18802020 census: 484210 years
Founding year: Wikidata. First post office: 1869.

What stands out about Allenport’s past

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

A history waiting to be writtenOnly 1 old photo is in the public archives. The rest are in attics and albums.On the map since 19026 editions of the USGS map, 1902 to 1979. Watch Allenport change.Boom and bustPeaked at 1,078 in 1940; 484 people lived here in 2020.Deep rootsEstablished in 1816: 210 years of Allenport.
★ What stands out · Help out

Start Allenport’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Date a photo1 archive item has no date. Guess the decade.+2Retake an old viewWheeling-Pittsburgh Steel Corporation: stand where they stood+15Share a family photoSign in to add one+10
On the map

Allenport on the map, 1902 to 1979

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

Allenport on the 1902 USGS mapAllenport on the 1931 USGS mapAllenport on the 1940 USGS mapAllenport on the 1954 USGS mapAllenport on the 1969 USGS mapAllenport on the 1979 USGS map1902Brownsville 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 Allenport.

People over time

Allenport, census by census

02004006008001,0001,20018801900192019401960198020002020Peak: 1,078

Peaked at 1,078 in 1940; 484 people lived here in 2020.

11 censuses, 1880–2020.

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

The story so far

Allenport, in brief

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

Allenport is a borough on the Monongahela River in Washington County, Pennsylvania, United States. The population was 483 at the 2020 census. It is part of the Pittsburgh metropolitan area.

Allenport was established in 1816. Between the 2010 and 2020 censuses its population fell from 537 to 484 (-10%).

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

Timeline

Allenport, 1816 to 1940

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

  1. 19th century
  2. 1816
    FoundingAllenport is established
  3. 1868Born hereBill Phillips is born here
  4. 1869Post officeThe Allenport post office opens
  5. 20th century
  6. 1902On the mapFirst mapped by the U.S. Geological Survey
  7. 1920Born hereFred Hancock is born here
  8. 1940CensusPopulation peaks at 1,078
By decade

Allenport, decade by decade

Date unknown1 to date
Wheeling-Pittsburgh Steel CorporationDate?Wheeling-Pittsburgh Steel Corporation
Today2 recent
American Iron Oxide Company (AMROX) plant in2014American Iron Oxide Company (AMROX) plant inAllenport, Washington County, Pennsylvania Main St and Bridge St2014Allenport, Washington County, Pennsylvania Main St an…
Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

Wheeling-Pittsburgh Steel Corporation
Retake this viewWheeling-Pittsburgh Steel Corporation

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Allenport’s page.

Retake this view · +15
Famous people

2 famous people were born in Allenport

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →
Bill PhillipsAmerican baseball player · b. 1868
F
Fred HancockAmerican baseball player · b. 1920
Places that used to be

Old corners and burying grounds

Allenport’s post office has been open since 1869.

Hamlets and corners on the map
Dunlevy
1cemetery inside Allenport
Havely

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

Stories next door

History across the town line

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

ElcoIts storynot graded: under 1,000 residents or part of its townWashington Township1 historic placeAStockdaleIts storynot graded: under 1,000 residents or part of its townRoscoeIts storynot graded: under 1,000 residents or part of its townLong BranchIts storynot graded: under 1,000 residents or part of its townDunlevyIts storynot graded: under 1,000 residents or part of its townNaomiIts storynot graded: under 1,000 residents or part of its townFayette CityIts storynot graded: under 1,000 residents or part of its town

Questions about Allenport’s history

What year was Allenport founded?

In 1816, according to Wikidata. Allenport’s post office opened in 1869, and the census of 1880 counted 163 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 Wikimedia Commons (2), the Library of Congress (1), Wikidata and Wikipedia for famous people, 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.