Buffalo Township (Washington County) is a township in Washington County, Pennsylvania, home to about 2,107 people across 20 square miles. Its ZIP code is 15323, and parts of 15301 are in Buffalo Township (Washington County) too.
Homes sold for a median of $122 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Buffalo Township (Washington County); also East Finley and Donegal Township (Washington County)
Mostly Washington City; part is in Buffalo Township (Washington County)
Each card is that ZIP code’s whole market, including any part outside Buffalo Township (Washington County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Buffalo Township (Washington County)’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)25 miles away |
|---|---|
| Nearest city of 250,000+ | Pittsburgh, PA28 miles away |
| Nearest city of 1 million+ | Philadelphia, PA275 miles away |
Straight-line distances from the center of Buffalo Township (Washington County); 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.
Buffalo Township (Washington County) had 1,991 residents in the 2020 census, down 5% since 2000.
It’s the 1168th 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 (8 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).
17 doctors and other health care providers list an office in Buffalo Township (Washington County).
Nearest hospitals
Providers with an office here
| Primary care doctors | 10 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 3 |
| Physical and occupational therapists | 1 |
| Chiropractors | 1 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (2 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Counts are within about 3 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.
Public schools here are run by McGuffey SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Claysville El SchClaysville | K–5 | 478 | Public | 4.4 mi |
| McGuffey MSClaysville | 6–8 | 342 | Public | 1.3 mi |
| McGuffey HSClaysville | 9–12 | 494 | Public | 1.3 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Transformation LearningClaysville | K–12 | 89 | Nonsectarian | 1.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Washington City, South Strabane, Canton Township (Washington County), Chartiers, North Franklin, South Franklin, Amwell, North Strabane, East Washington, East Finley, Donegal Township (Washington County), Claysville, Independence Township (Washington County), Hopewell Township (Washington County), West Finley, Blaine 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.