South Franklin is a township in Washington County, Pennsylvania, home to about 2,850 people across 21 square miles. It has no ZIP code of its own: it’s part of 15301, 15311 and 15329.
Homes sold for a median of $197 per square foot across 3 ZIP codes in the three months ending August 2026, and 1 of 3 were seller’s markets.
Mostly Washington City; part is in South Franklin
Mostly Amwell; part is in South Franklin
Mostly Morris Township (Washington County); part is in South Franklin
Each card is that ZIP code’s whole market, including any part outside South Franklin. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up South Franklin’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)25 miles away |
|---|---|
| Nearest city of 250,000+ | Pittsburgh, PA26 miles away |
| Nearest city of 1 million+ | Philadelphia, PA271 miles away |
Straight-line distances from the center of South Franklin; 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.
South Franklin had 2,868 residents in the 2020 census, down 24% since 2000.
It’s the 937th 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 83°F in summer, and winter lows average 20°F. About 41.3 inches of rain and melted snow fall in a typical year, with about 32 inches of snow.
Source: NOAA 1991–2020 climate normals, Washington 3 Ne, PA weather station (5 miles 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).
725 doctors and other health care providers list an office in South Franklin’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 115 |
|---|---|
| Specialist doctors | 115 |
| Dentists | 49 |
| Nurse practitioners and physician assistants | 143 |
| Mental health providers | 165 |
| Physical and occupational therapists | 94 |
| Optometrists | 13 |
| Chiropractors | 31 |
| Pharmacies | 20 |
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 (3 nearby)
Grocery stores (1 nearby)
Pharmacies (1 nearby)
Libraries (2 nearby)
Museums (2 nearby)
Counts are within about 3 miles 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 McGuffey SD, Trinity Area SD, Washington SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Joe Walker El SchWashington | K–5 | 199 | Public | 1.9 mi |
| Trinity East El SchWashington | K–3 | 257 | Public | 4.5 mi |
| Trinity North El SchWashington | K–3 | 232 | Public | 5.1 mi |
| Trinity South El SchWashington | K–3 | 160 | Public | 3.0 mi |
| Trinity West El SchWashington | K–3 | 303 | Public | 1.6 mi |
| Washington Park El SchWashington | K–6 | 864 | Public | 2.9 mi |
| Trinity Intermediate SchWashington | 4–5 | 535 | Public | 1.2 mi |
| Trinity MSWashington | 6–8 | 759 | Public | 1.2 mi |
| Washington Junior High SchoolWashington | 7–8 | 205 | Public | 2.8 mi |
| Trinity SHSWashington | 9–12 | 1,054 | Public | 2.2 mi |
| Washington HSWashington | 9–12 | 387 | Public | 2.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Faith Christian SchoolWashington | Pre-K–12 | 95 | Baptist | 3.2 mi |
| John F Kennedy Catholic SchoolWashington | Pre-K–8 | 219 | Roman Catholic | 2.8 mi |
| Gwens Montessori SchoolWashington | K–2 | 2 | Nonsectarian | 3.3 mi |
| Tec Education CenterWashington | 10–12 | 13 | Nonsectarian | 3.1 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 Washington City, South Strabane, Canton Township (Washington County), Chartiers, North Franklin, Amwell, North Strabane, East Washington, Buffalo Township (Washington County), Morris Township (Washington County), Washington Township (Greene County), West Bethlehem, Hopewell Township (Washington County), Morris Township (Greene County), North Bethlehem and Green Hills.
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.