Willistown is a township in Chester County, Pennsylvania, home to about 11,366 people across 18 square miles. It has no ZIP code of its own: it’s part of 19073, 19301, 19312 and 19355.
Homes sold for a median of $330 per square foot across 4 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Newtown Township (Delaware County); part is in Willistown
Mostly Tredyffrin; part is in Willistown
Mostly Easttown; part is in Willistown
Mostly East Whiteland; part is in Willistown
Each card is that ZIP code’s whole market, including any part outside Willistown. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Willistown’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)17 miles away |
|---|---|
| Nearest city of 250,000+ | Philadelphia, PA19 miles away |
Straight-line distances from the center of Willistown; 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.
Willistown had 11,273 residents in the 2020 census, up 13% since 2000.
It’s the 228th 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 88°F in summer, and winter lows average 23°F. About 45.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Phoenixville 1 E, PA weather station (6 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).
1,650 doctors and other health care providers list an office in Willistown’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 162 |
|---|---|
| Specialist doctors | 313 |
| Dentists | 106 |
| Nurse practitioners and physician assistants | 278 |
| Mental health providers | 500 |
| Physical and occupational therapists | 231 |
| Optometrists | 22 |
| Chiropractors | 38 |
| Pharmacies | 21 |
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 (20 nearby)
Grocery stores (6 nearby)
Pharmacies (2 nearby)
Libraries (3 nearby)
Museums (1 nearby)
Theaters and performance venues (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.
Established in 1681.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Great Valley SD, Marple Newtown SD, Tredyffrin-Easttown SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Charlestown El SchMalvern | K–4 | 414 | Public | 4.4 mi |
| Culbertson El SchNewtown Square | K–5 | 523 | Public | 5.2 mi |
| General Wayne El SchMalvern | K–4 | 542 | Public | 0.2 mi |
| Hillside El SchBerwyn | K–4 | 425 | Public | 2.6 mi |
| Kathryn D. Markley El SchMalvern | K–4 | 426 | Public | 3.6 mi |
| Sugartown El SchMalvern | K–4 | 449 | Public | 1.7 mi |
| Great Valley 5/6 CenterMalvern | 5–6 | 756 | Public | 3.6 mi |
| Tredyffrin-Easttown MSBerwyn | 5–8 | 1,056 | Public | 2.5 mi |
| Great Valley MSMalvern | 7–8 | 754 | Public | 4.4 mi |
| Conestoga SHSBerwyn | 9–12 | 2,264 | Public | 2.3 mi |
| Great Valley HSMalvern | 9–12 | 1,481 | Public | 4.4 mi |
| Marple Newtown SHSNewtown Square | 9–12 | 1,266 | Public | 6.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Chesterbrook AcademyNewtown Square | Pre-K–K | 18 | Nonsectarian | 4.9 mi |
| Christ Memorial Lutheran SchoolMalvern | Pre-K–K | 26 | Lutheran Church–Missouri Synod | 2.7 mi |
| Delaware County Christian SchoolNewtown Square | Pre-K–12 | 781 | Christian (no specific denomination) | 6.0 mi |
| Garretts WayNewtown Square | Pre-K–K | 36 | Nonsectarian | 5.3 mi |
| Goddard School of MalvernMalvern | Pre-K–K | 20 | Nonsectarian | 2.9 mi |
| Good Samaritan Day SchoolPaoli | Pre-K–K | 29 | Episcopal | 0.8 mi |
| Regina Luminis AcademyBerwyn | Pre-K–12 | 158 | Roman Catholic | 2.9 mi |
| St Norbert Elementary SchoolPaoli | Pre-K–8 | 194 | Roman Catholic | 1.1 mi |
| Talk SchoolNewtown Square | Pre-K–11 | 20 | Nonsectarian | 5.5 mi |
| Tarleton SchoolBerwyn | Pre-K–K | 8 | Nonsectarian | 2.9 mi |
| The Episcopal AcademyNewtown Square | Pre-K–12 | 1,252 | Episcopal | 3.8 mi |
| The Episcopal AcademyNewtown Square | Pre-K–12 | 1,252 | Episcopal | 3.8 mi |
| Villa Maria Academy Lower SchoolMalvern | Pre-K–8 | 245 | Roman Catholic | 4.0 mi |
| St Anastasia SchoolNewtown Square | K–8 | 514 | Roman Catholic | 6.5 mi |
| The Timothy SchoolBerwyn | K–12 | 68 | Nonsectarian | 2.4 mi |
| Willistown Country Day SchoolMalvern | K–5 | 38 | Nonsectarian | 1.2 mi |
| Delaware Valley Friends SchoolPaoli | 1–12 | 207 | Friends (Quaker) | 1.1 mi |
| Stratford Friends SchoolNewtown Square | 1–9 | 71 | Friends (Quaker) | 5.6 mi |
| Royer-Greaves School for BlindPaoli | 3–12 | 19 | Nonsectarian | 0.6 mi |
| Fusion MalvernMalvern | 6–12 | 68 | Nonsectarian | 1.9 mi |
| Malvern Preparatory SchoolMalvern | 6–12 | 665 | Roman Catholic | 1.2 mi |
| The Phelps SchoolMalvern | 6–12 | 80 | Nonsectarian | 1.7 mi |
| Villa Maria Academy High SchoolMalvern | 9–12 | 417 | Roman Catholic | 1.1 mi |
| Melmark SchoolBerwyn | Ungraded | 76 | Nonsectarian | 3.3 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 Newtown Township (Delaware County), East Whiteland, Tredyffrin, Easttown, Charlestown, Malvern, East Goshen, Edgmont, Radnor and Marple.
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.