St. Clair Township is a township in Westmoreland County, Pennsylvania, home to about 1,247 people across 29 square miles. It has no ZIP code of its own: it’s part of 15944 and 15954.
Homes sold for a median of $99 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Mostly West Wheatfield; part is in St. Clair Township
Mostly East Wheatfield; part is in St. Clair Township
Each card is that ZIP code’s whole market, including any part outside St. Clair Township. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up St. Clair Township’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows St. Clair Township well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Pittsburgh International Airport (PIT)61 miles away |
|---|---|
| Closer regional airport | John Murtha Johnstown Cambria County Airport (JST)14 miles away |
| Nearest city of 250,000+ | Pittsburgh, PA47 miles away |
| Nearest city of 1 million+ | Philadelphia, PA210 miles away |
Straight-line distances from the center of St. Clair Township; 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.
St. Clair Township had 1,340 residents in the 2020 census, down 4% since 2000.
It’s the 1591st 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 79°F in summer, and winter lows average 19°F. About 41.2 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Johnstown Cambria Co Ap, PA weather station (14 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).
9 doctors and other health care providers list an office in St. Clair Township’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 4 |
|---|---|
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 1 |
| Physical and occupational therapists | 3 |
| 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.
Grocery stores
Counts are within about 3.5 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 Ligonier Valley SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Laurel Valley El SchNew Florence | Pre-K–5 | 238 | Public | 2.7 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 West Wheatfield, East Wheatfield, Fairfield Township (Westmoreland County), New Florence and Seward.
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.