Donegal Township (Westmoreland County) is a township in Westmoreland County, Pennsylvania, home to about 1,684 people across 49 square miles. Its ZIP codes are 15646 and 15687, and parts of 15610, 15622 and 15628 are in Donegal Township (Westmoreland County) too.
Homes sold for a median of $242 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
All in Donegal Township (Westmoreland County)
Mostly Donegal Township (Westmoreland County); also Cook
Mostly Mount Pleasant Township (Westmoreland County); part is in Donegal Township (Westmoreland County)
Mostly Saltlick; part is in Donegal Township (Westmoreland County)
Part is in Donegal Township (Westmoreland County), part in Donegal Borough
Each card is that ZIP code’s whole market, including any part outside Donegal Township (Westmoreland County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Donegal Township (Westmoreland 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)53 miles away |
|---|---|
| Closer regional airport | Arnold Palmer Regional Airport (LBE)12 miles away |
| Nearest city of 250,000+ | Pittsburgh, PA40 miles away |
| Nearest city of 1 million+ | Philadelphia, PA223 miles away |
Straight-line distances from the center of Donegal Township (Westmoreland 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.
Donegal Township (Westmoreland County) had 2,192 residents in the 2020 census, down 10% since 2000.
It’s the 1355th largest of 2,568 towns in Pennsylvania by population.
Westmoreland County grew from 160,175 residents in 1900 to 354,663 in 2020.
Westmoreland County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 19°F. About 50.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Donegal 2 Nw, PA weather station (3 miles away).
124,843 jobs at 8,428 businesses in Westmoreland County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
3 doctors and other health care providers list an office in Donegal Township (Westmoreland County)’s ZIP codes.
Nearest hospitals
Providers with an office here
| Dentists | 2 |
|---|---|
| Physical and occupational therapists | 1 |
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 (1 nearby)
Grocery stores (1 nearby)
Museums
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.
Public schools here are run by Mount Pleasant Area SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Donegal El SchJones Mills | K–3 | 92 | Public | 0.7 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Mount Pleasant Township (Westmoreland County), Saltlick, Bullskin, Cook, Middlecreek Township (Somerset County), Donegal Borough, Jefferson Township (Somerset County), Seven Springs Borough (Fayette County) and Seven Springs Borough (Somerset County).
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.