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History · Eighty Four

Eighty Four’s post office opened in 1886, and 39% of its homes were built before 1940

1886first post office
0on the National Register
39%homes built before 1940
1famous people
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Photo: Blicarea · Public domain
Quick answers

How Eighty Four began

When was Eighty Four founded?

1886

The Eighty Four post office opened in 1886, the earliest record of the town by name.

2020 census: 645140 years
Founding year: the first Eighty Four post office (Blevins & Helbock, CC0).

What stands out about Eighty Four’s 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 Eighty Four are in the public archives yet. The rest are in attics and albums.Old housesHalf of Eighty Four’s homes were built before 1958.
★ What stands out · Help out

Start Eighty Four’s collection

The first neighbors to add old photos shape how Eighty Four’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

Eighty Four, in brief

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

Eighty Four is a census-designated place in Somerset, Nottingham, North Strabane, and South Strabane townships in Washington County, Pennsylvania. It lies approximately 25 miles (40 km) southwest of Pittsburgh and is in the Pittsburgh metropolitan area. The population was 645 at the 2020 census. Eighty Four contains the 84 Lumber company's headquarters. Eighty Four is a part of the Canon-McMillan, Trinity, Ringgold, and Bentworth school districts. Eighty Four is accessible via PA Route 519 and PA Route 136 and interstates 79 and 70. The closest international airport is the Pittsburgh International Airport approximately 25 miles (40 km) northwest of Eighty Four in Findlay Township, Pennsylva…

Its first post office opened in 1886. Its population held steady between the last two censuses: 657 in 2010, 645 in 2020.

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

By decade

Eighty Four, decade by decade

Today2 recent
Eighty Four Pennsylvania2009Eighty Four PennsylvaniaPA Route 43 exit 442006PA Route 43 exit 44
Stories next door

History across the town line

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

Wylandville1 historic placenot graded: under 1,000 residents or part of its townSomerset Township2 historic placesA−Nottingham Township2 historic placesC+North Strabane Township2 historic placesB−

Questions about Eighty Four’s history

What year was Eighty Four founded?

The Eighty Four post office opened in 1886, the earliest record of the town by name (U.S. post office records).

Memory lane

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

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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 Wikimedia Commons (2), Wikidata (1) and Wikidata and Wikipedia for famous people. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.