Upper St. Clair is a township in Allegheny County, Pennsylvania, home to about 20,863 people across 9.8 square miles. Its ZIP code is 15241.
Homes sold for a median of $235 per square foot in the three months ending August 2026, a seller’s market.
Mostly Upper St. Clair; also Bethel Park
Each card is that ZIP code’s whole market, including any part outside Upper St. Clair. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Upper St. Clair’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)14 miles away |
|---|---|
| Nearest city of 250,000+ | Pittsburgh, PA9 miles away |
| Nearest city of 1 million+ | Philadelphia, PA262 miles away |
Straight-line distances from the center of Upper St. Clair; 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.
Upper St. Clair had 21,160 residents in the 2020 census, up 6% since 2000.
It’s the 90th largest of 2,568 towns in Pennsylvania by population.
Allegheny County grew from 775,058 residents in 1900 to 1,250,578 in 2020.
Allegheny 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 22°F. About 41.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Pittsburgh Allegheny Co Ap, PA weather station (9 miles away).
709,774 jobs at 33,812 businesses in Allegheny County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
408 doctors and other health care providers list an office in Upper St. Clair.
Nearest hospitals
Providers with an office here
| Primary care doctors | 21 |
|---|---|
| Specialist doctors | 41 |
| Dentists | 48 |
| Nurse practitioners and physician assistants | 42 |
| Mental health providers | 176 |
| Physical and occupational therapists | 57 |
| Optometrists | 4 |
| Chiropractors | 19 |
| Pharmacies | 3 |
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 (21 nearby)
Grocery stores (6 nearby)
Pharmacies (6 nearby)
Libraries (1 nearby)
Museums
Theaters and performance venues
Counts are within about 2 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.
Established in 1788.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Upper St. Clair SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Baker El SchPittsburgh | K–4 | 471 | Public | 0.8 mi |
| Eisenhower El SchPittsburgh | K–4 | 524 | Public | 1.5 mi |
| Streams El SchPittsburgh | K–4 | 468 | Public | 1.0 mi |
| Boyce MSPittsburgh | 5–6 | 624 | Public | 1.3 mi |
| Fort Couch MSPittsburgh | 7–8 | 647 | Public | 1.7 mi |
| Upper Saint Clair HSPittsburgh | 9–12 | 1,269 | Public | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Ave Maria Academy - Bethel CampusPittsburgh | Pre-K–8 | 280 | Roman Catholic | 1.7 mi |
| St Louise De Marillac SchoolPittsburgh | Pre-K–8 | 511 | Roman Catholic | 1.1 mi |
| Westminster Child Development CenterPittsburgh | Pre-K–K | 23 | Presbyterian | 1.0 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 Bethel Park.
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.