Radnor is a township in Delaware County, Pennsylvania, home to about 33,718 people across 14 square miles. Its ZIP codes are 19085 and 19087, and parts of 19010 and 19073 are in Radnor too.
Homes sold for a median of $402 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Radnor; also Lower Merion
Mostly Radnor; also Tredyffrin and Upper Merion
Mostly Lower Merion; part is in Radnor
Mostly Newtown Township (Delaware County); part is in Radnor
Each card is that ZIP code’s whole market, including any part outside Radnor. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Radnor’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)13 miles away |
|---|---|
| Nearest city of 250,000+ | Philadelphia, PA13 miles away |
Straight-line distances from the center of Radnor; 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.
Radnor had 33,228 residents in the 2020 census, up 8% since 2000.
It’s the 33rd largest of 2,568 towns in Pennsylvania by population.
Delaware County grew from 94,762 residents in 1900 to 576,830 in 2020.
Delaware County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 23°F. About 50.7 inches of rain and melted snow fall in a typical year, with about 25 inches of snow.
Source: NOAA 1991–2020 climate normals, Norristown, PA weather station (5 miles away).
237,233 jobs at 13,165 businesses in Delaware County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
780 doctors and other health care providers list an office in Radnor’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 78 |
|---|---|
| Specialist doctors | 105 |
| Dentists | 44 |
| Nurse practitioners and physician assistants | 83 |
| Mental health providers | 270 |
| Physical and occupational therapists | 173 |
| Optometrists | 8 |
| Chiropractors | 19 |
| Pharmacies | 14 |
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 (44 nearby)
Grocery stores (5 nearby)
Pharmacies (3 nearby)
Libraries (6 nearby)
Museums (1 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 2.5 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.
Established in 1682.
Colleges and universities
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Tredyffrin-Easttown SD, Radnor Township SD, Upper Merion Area SD and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| New Eagle El SchWayne | K–4 | 472 | Public | 3.3 mi |
| Radnor El SchRadnor | K–5 | 554 | Public | 0.6 mi |
| Roberts El SchWayne | K–4 | 292 | Public | 2.6 mi |
| Valley Forge El SchWayne | K–4 | 552 | Public | 4.5 mi |
| Wayne El SchWayne | K–5 | 525 | Public | 2.1 mi |
| Black Rock MSVillanova | 5–8 | 1,077 | Public | 1.5 mi |
| Valley Forge MSWayne | 5–8 | 1,186 | Public | 4.7 mi |
| Radnor MSWayne | 6–8 | 808 | Public | 1.1 mi |
| Radnor SHSRadnor | 9–12 | 1,146 | Public | 0.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Armenian Sisters AcademyRadnor | Pre-K–8 | 109 | Other religious | 2.4 mi |
| Goddard SchoolStrafford | Pre-K–K | 6 | Nonsectarian | 2.1 mi |
| Heritage SchoolWayne | Pre-K–K | 10 | Christian (no specific denomination) | 1.6 mi |
| Montessori Children's House of Valley ForgeWayne | Pre-K–K | 26 | Nonsectarian | 4.8 mi |
| St Davids Episcopal Day SchoolWayne | Pre-K–K | 43 | Episcopal | 2.2 mi |
| The Childrens School of Cabrini UniversityWayne | Pre-K–K | 6 | Nonsectarian | 4.6 mi |
| Woodlynde SchoolStrafford | Pre-K–12 | 196 | Nonsectarian | 2.5 mi |
| St Katharine of Siena SchoolWayne | K–8 | 406 | Roman Catholic | 0.8 mi |
| Academy-Notre Dame De NamurVillanova | 6–12 | 541 | Roman Catholic | 1.6 mi |
| Valley Forge Military AcademyWayne | 7–12 | 128 | Nonsectarian | 1.2 mi |
| Archbishop Carroll High SchoolMalvern | 9–12 | 686 | Roman Catholic | 0.8 mi |
| Archbishop John Carroll High SchoolRadnor | 9–12 | 686 | Roman Catholic | 0.8 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), Tredyffrin, Lower Merion, Upper Merion, Haverford, Willistown, Edgmont 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.