Green Tree is a borough in Allegheny County, Pennsylvania, home to about 4,833 people across 2.1 square miles. It has no ZIP code of its own: it’s part of 15205 and 15220.
Homes sold for a median of $182 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Mostly Pittsburgh; part is in Green Tree
Mostly Pittsburgh; part is in Green Tree
Each card is that ZIP code’s whole market, including any part outside Green Tree. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Green Tree’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)10 miles away |
|---|---|
| Nearest city of 250,000+ | Pittsburgh, PA5 miles away |
| Nearest city of 1 million+ | Philadelphia, PA262 miles away |
Straight-line distances from the center of Green Tree; 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.
Green Tree had 4,941 residents in the 2020 census, up 5% since 2000.
It’s the 591st 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 38.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Emsworth L/D Ohio Rvr, PA weather station (6 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).
593 doctors and other health care providers list an office in Green Tree’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 58 |
|---|---|
| Specialist doctors | 35 |
| Dentists | 65 |
| Nurse practitioners and physician assistants | 110 |
| Mental health providers | 174 |
| Physical and occupational therapists | 109 |
| Optometrists | 13 |
| Chiropractors | 29 |
| Pharmacies | 24 |
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 (14 nearby)
Grocery stores (1 nearby)
Pharmacies (3 nearby)
Libraries (4 nearby)
Museums
Theaters and performance venues (1 nearby)
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.
Established in 1885.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Carlynton SD, Keystone Oaks SD, Pittsburgh SD and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Crafton El SchPittsburgh | K–6 | 291 | Public | 0.6 mi |
| Fred L Aiken El SchPittsburgh | K–5 | 238 | Public | 1.3 mi |
| Pittsburgh Westwood K-5Pittsburgh | K–5 | 278 | Public | 1.1 mi |
| Propel CS-MontourPittsburgh | K–12 | 794 | Charter | 3.0 mi |
| Chartiers Valley Intrmd SchoolPittsburgh | 3–5 | 801 | Public | 1.9 mi |
| Pittsburgh Classical 6-8Pittsburgh | 6–8 | 245 | Public | 2.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Guardian Angel AcademyPittsburgh | Pre-K–8 | 245 | Roman Catholic | 1.1 mi |
| Bradley SchoolPittsburgh | 2–12 | 162 | Nonsectarian | 4.8 mi |
| Bishop Canevin High SchoolPittsburgh | 9–12 | 204 | Roman Catholic | 0.2 mi |
| Easter Seals of Western and Central PaPittsburgh | Ungraded | 54 | Nonsectarian | 7.0 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 Pittsburgh, Robinson, Crafton, Scott Township (Allegheny County), Ingram, Pennsbury Village, Collier and Thornburg.
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.