Summerville is a borough in Jefferson County, Pennsylvania, home to about 436 people across 0.6 square miles. It has no ZIP code of its own: it’s part of 15864.
Homes sold for a median of $109 per square foot in the three months ending August 2026, a seller’s market.
Mostly Limestone Township (Clarion County); part is in Summerville
Each card is that ZIP code’s whole market, including any part outside Summerville. 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)70 miles away |
|---|---|
| Closer regional airport | DuBois Regional Airport (DUJ)15 miles away |
| Nearest city of 250,000+ | Pittsburgh, PA62 miles away |
| Nearest city of 1 million+ | Philadelphia, PA225 miles away |
Straight-line distances from the center of Summerville; 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.
Summerville had 504 residents in the 2020 census, down 4% since 2000.
It’s the 2226th largest of 2,568 towns in Pennsylvania by population.
Jefferson County grew from 59,113 residents in 1900 to 44,492 in 2020.
Jefferson County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 17°F. About 45.9 inches of rain and melted snow fall in a typical year, with about 35 inches of snow.
Source: NOAA 1991–2020 climate normals, Putneyville 2 Se Dam, PA weather station (14 miles away).
13,508 jobs at 1,113 businesses in Jefferson 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 Summerville.
Nearest hospitals
Providers with an office here
| Mental health providers | 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.
Libraries
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.
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Christ Dominion AcademySummerville | K–10 | 9 | Christian (no specific denomination) | 1.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data 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 Limestone Township (Clarion County), Beaver Township (Jefferson County), Oliver Township (Jefferson County) and Clover.
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.