Donora is a borough in Washington County, Pennsylvania, home to about 4,527 people across 1.9 square miles. Its ZIP code is 15033.
Homes sold for a median of $73 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Donora; also Carroll Township (Washington County)
Each card is that ZIP code’s whole market, including any part outside Donora. 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)29 miles away |
|---|---|
| Nearest city of 250,000+ | Pittsburgh, PA19 miles away |
| Nearest city of 1 million+ | Philadelphia, PA250 miles away |
Straight-line distances from the center of Donora; 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.
Donora had 4,569 residents in the 2020 census, down 19% since 2000.
It’s the 622nd largest of 2,568 towns in Pennsylvania by population.
Washington County grew from 92,181 residents in 1900 to 209,349 in 2020.
Washington 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 40.8 inches of rain and melted snow fall in a typical year, with about 21 inches of snow.
Source: NOAA 1991–2020 climate normals, Donora 1 Sw, PA weather station (about a mile away).
84,410 jobs at 5,340 businesses in Washington 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 Donora.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Dentists | 1 |
| 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 (1 nearby)
Grocery stores
Pharmacies
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.
Established in 1900.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
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Shares ZIP codes with Carroll Township (Washington County).
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.