Longswamp is a township in Berks County, Pennsylvania, home to about 5,613 people across 23 square miles. Its ZIP code is 19539, and parts of 18011, 18062 and 19562 are in Longswamp too.
Homes sold for a median of $228 per square foot in the three months ending August 2026, a seller’s market.
Mostly Longswamp; also Lower Macungie and Rockland Township (Berks County)
Mostly Lower Macungie; part is in Longswamp
Mostly Lower Macungie; part is in Longswamp
Mostly Topton; part is in Longswamp
Each card is that ZIP code’s whole market, including any part outside Longswamp. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Longswamp’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Longswamp well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Philadelphia International Airport (PHL)49 miles away |
|---|---|
| Closer regional airport | Lehigh Valley International Airport (ABE)15 miles away |
| Nearest city of 250,000+ | Philadelphia, PA44 miles away |
Straight-line distances from the center of Longswamp; 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.
Longswamp had 5,567 residents in the 2020 census, down 1% since 2000.
It’s the 506th largest of 2,568 towns in Pennsylvania by population.
Berks County grew from 159,615 residents in 1900 to 428,849 in 2020.
Berks County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 20°F. About 48.8 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Rodale Rsch Ctr, PA weather station (5 miles away).
172,167 jobs at 8,521 businesses in Berks County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
11 doctors and other health care providers list an office in Longswamp.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 2 |
| Dentists | 4 |
| Mental health providers | 3 |
| Chiropractors | 1 |
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 (16 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries (1 nearby)
Museums (2 nearby)
Theaters and performance venues
Counts are within about 3.5 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.
Public schools here are run by Brandywine Heights Area SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Brandywine Heights HSMertztown | 9–12 | 413 | Public | 2.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Lower Macungie, Macungie, Alburtis, Topton, Rockland Township (Berks County), Upper Milford, District, Hereford and Maxatawny.
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.