Liberty Borough (Allegheny County) is a borough in Allegheny County, Pennsylvania, home to about 2,320 people across 1.4 square miles. It has no ZIP code of its own: it’s part of 15133.
Homes sold for a median of $100 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Port Vue; part is in Liberty Borough (Allegheny County)
Each card is that ZIP code’s whole market, including any part outside Liberty Borough (Allegheny County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Liberty Borough (Allegheny 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)22 miles away |
|---|---|
| Nearest city of 250,000+ | Pittsburgh, PA9 miles away |
| Nearest city of 1 million+ | Philadelphia, PA251 miles away |
Straight-line distances from the center of Liberty Borough (Allegheny 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.
Liberty Borough (Allegheny County) had 2,355 residents in the 2020 census, down 12% since 2000.
It’s the 1106th 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 85°F in summer, and winter lows average 21°F. About 42.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Mckeesport, 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).
3 doctors and other health care providers list an office in Liberty Borough (Allegheny County).
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 2 |
|---|---|
| Mental health providers | 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 (5 nearby)
Grocery stores (1 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums
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 South Allegheny SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| South Allegheny El SchPort Vue | K–5 | 635 | Public | 1.4 mi |
| South Allegheny MSMcKeesport | 6–8 | 321 | Public | 1.6 mi |
| South Allegheny HSMcKeesport | 9–12 | 464 | Public | 1.6 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 Port Vue and Lincoln Borough.
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.