Allenport is a borough in Washington County, Pennsylvania, home to about 403 people across 2.1 square miles. Its ZIP code is 15412, and parts of 15423 and 15477 are in Allenport too.
Homes sold for a median of $215 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
All in Allenport
Mostly California; part is in Allenport
Mostly Roscoe; part is in Allenport
Each card is that ZIP code’s whole market, including any part outside Allenport. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Allenport’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Pittsburgh International Airport (PIT)34 miles away |
|---|---|
| Closer regional airport | Arnold Palmer Regional Airport (LBE)27 miles away |
| Nearest city of 250,000+ | Pittsburgh, PA25 miles away |
| Nearest city of 1 million+ | Philadelphia, PA250 miles away |
Straight-line distances from the center of Allenport; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Allenport had 484 residents in the 2020 census, down 12% since 2000.
It’s the 2256th largest of 2,568 towns in Pennsylvania by population.
Washington County grew from 92,181 residents in 1900 to 209,349 in 2020.
Washington County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 21°F. About 41.1 inches of rain and melted snow fall in a typical year, with about 10 inches of snow.
Source: NOAA 1991–2020 climate normals, Charleroi Lock 4, PA weather station (4 miles away).
84,410 jobs at 5,340 businesses in Washington County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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Shares ZIP codes with California, Roscoe, Long Branch, West Pike Run, Fallowfield, Elco and Coal Center.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.