Leetsdale is a borough in Allegheny County, Pennsylvania, home to about 1,096 people across 1.0 square miles. Its ZIP code is 15056.
Homes sold for a median of $89 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Leetsdale. 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)5 miles away |
|---|---|
| Nearest city of 250,000+ | Pittsburgh, PA15 miles away |
| Nearest city of 1 million+ | Philadelphia, PA270 miles away |
Straight-line distances from the center of Leetsdale; 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.
Leetsdale had 1,162 residents in the 2020 census, down 6% since 2000.
It’s the 1685th 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 84°F in summer, and winter lows average 21°F. About 38.8 inches of rain and melted snow fall in a typical year, with about 20 inches of snow.
Source: NOAA 1991–2020 climate normals, Glenwillard Dashields L&D, PA weather station (about a mile 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).
7 doctors and other health care providers list an office in Leetsdale.
Nearest hospitals
Providers with an office here
| Specialist doctors | 6 |
|---|---|
| Nurse practitioners and physician assistants | 1 |
| Pharmacies | 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 (4 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries
Theaters and performance venues
Counts are within about 1 mile 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 Quaker Valley SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Quaker Valley HSLeetsdale | 9–12 | 550 | Public | 0.5 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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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.