Amwell is a township in Washington County, Pennsylvania, home to about 3,660 people across 45 square miles. Its ZIP code is 15311, and parts of 15301 and 15345 are in Amwell too.
Homes sold for a median of $221 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Amwell; also West Bethlehem and North Bethlehem
Mostly Washington City; part is in Amwell
Mostly West Bethlehem; part is in Amwell
Each card is that ZIP code’s whole market, including any part outside Amwell. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Pittsburgh International Airport (PIT)26 miles away |
|---|---|
| Nearest city of 250,000+ | Pittsburgh, PA26 miles away |
| Nearest city of 1 million+ | Philadelphia, PA268 miles away |
Straight-line distances from the center of Amwell; 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.
Amwell had 3,679 residents in the 2020 census, down 7% since 2000.
It’s the 774th 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 83°F in summer, and winter lows average 20°F. About 41.3 inches of rain and melted snow fall in a typical year, with about 32 inches of snow.
Source: NOAA 1991–2020 climate normals, Washington 3 Ne, PA weather station (5 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.
Parks (3 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries (2 nearby)
Museums (2 nearby)
Counts are within about 4.5 miles 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 Washington City, South Strabane, Canton Township (Washington County), Chartiers, North Franklin, South Franklin, North Strabane, East Washington, Buffalo Township (Washington County), West Bethlehem, Marianna, Hopewell Township (Washington County), Morgan, North Bethlehem and Green Hills.
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.