Thornbury Township (Chester County) is a township in Chester County, Pennsylvania, home to about 3,179 people across 3.8 square miles. It has no ZIP code of its own: it’s part of 19319, 19373 and 19382.
Homes sold for a median of $282 per square foot across 3 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Thornbury Township (Delaware County); part is in Thornbury Township (Chester County)
Mostly Thornbury Township (Delaware County); part is in Thornbury Township (Chester County)
Part is in Thornbury Township (Chester County), part in Westtown and West Chester
Each card is that ZIP code’s whole market, including any part outside Thornbury Township (Chester County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Thornbury Township (Chester County)’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Philadelphia International Airport (PHL)19 miles away |
|---|---|
| Nearest city of 250,000+ | Philadelphia, PA24 miles away |
Straight-line distances from the center of Thornbury Township (Chester 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.
Thornbury Township (Chester County) had 3,177 residents in the 2020 census, up 19% since 2000.
It’s the 860th largest of 2,568 towns in Pennsylvania by population.
Chester County grew from 95,695 residents in 1900 to 534,413 in 2020.
Chester County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 20°F. About 51 inches of rain and melted snow fall in a typical year, with about 31 inches of snow.
Source: NOAA 1991–2020 climate normals, W Chester 2 Nw, PA weather station (3 miles away).
262,454 jobs at 15,102 businesses in Chester County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
583 doctors and other health care providers list an office in Thornbury Township (Chester County)’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 33 |
|---|---|
| Specialist doctors | 27 |
| Dentists | 39 |
| Nurse practitioners and physician assistants | 40 |
| Mental health providers | 201 |
| Physical and occupational therapists | 210 |
| Optometrists | 10 |
| Chiropractors | 23 |
| Pharmacies | 10 |
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 (21 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 1.5 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.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by West Chester Area SD, Unionville-Chadds Ford SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Glen Acres El SchWest Chester | K–5 | 451 | Public | 2.1 mi |
| Hillsdale El SchWest Chester | K–5 | 537 | Public | 2.0 mi |
| Penn Wood El SchWest Chester | K–5 | 438 | Public | 3.1 mi |
| Pocopson El SchWest Chester | K–5 | 514 | Public | 3.7 mi |
| Sarah W Starkweather El SchWest Chester | K–5 | 576 | Public | 0.8 mi |
| Westtown-Thornbury El SchWest Chester | K–5 | 529 | Public | 1.5 mi |
| Stetson MSWest Chester | 6–8 | 808 | Public | 1.0 mi |
| West Chester Bayard Rustin HSWest Chester | 9–12 | 1,159 | Public | 1.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Saints Simon and Jude SchoolWest Chester | Pre-K–8 | 319 | Roman Catholic | 3.6 mi |
| St Maximilian Kolbe Parish SchoolWest Chester | Pre-K–8 | 156 | Roman Catholic | 0.8 mi |
| Westtown SchoolWest Chester | Pre-K–12 | 676 | Friends (Quaker) | 2.4 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 Westtown, West Chester, West Goshen, East Bradford, Pocopson, Birmingham, West Bradford, Thornbury Township (Delaware County) and Concord.
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.