Lewisburg is a borough in Union County, Pennsylvania, home to about 5,257 people across 1.0 square miles. It has no ZIP code of its own: it’s part of 17837.
Homes sold for a median of $170 per square foot in the three months ending August 2026, a seller’s market.
Mostly East Buffalo; part is in Lewisburg
Each card is that ZIP code’s whole market, including any part outside Lewisburg. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Lewisburg’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)116 miles away |
|---|---|
| Closer regional airport | Williamsport Regional Airport (IPT)19 miles away |
| Nearest city of 250,000+ | Philadelphia, PA114 miles away |
Straight-line distances from the center of Lewisburg; 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.
Lewisburg had 5,158 residents in the 2020 census, down 8% since 2000.
It’s the 540th largest of 2,568 towns in Pennsylvania by population.
Union County grew from 17,592 residents in 1900 to 42,681 in 2020.
Union County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 19°F. About 43.9 inches of rain and melted snow fall in a typical year, with about 29 inches of snow.
Source: NOAA 1991–2020 climate normals, Lewisburg, PA weather station (2 miles away).
16,233 jobs at 960 businesses in Union County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
482 doctors and other health care providers list an office in Lewisburg.
Nearest hospitals
Providers with an office here
| Primary care doctors | 40 |
|---|---|
| Specialist doctors | 119 |
| Dentists | 24 |
| Nurse practitioners and physician assistants | 130 |
| Mental health providers | 84 |
| Physical and occupational therapists | 66 |
| Optometrists | 10 |
| Chiropractors | 9 |
| Pharmacies | 9 |
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 (4 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries (1 nearby)
Museums
Theaters and performance venues
Counts are within about 1 mile 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 1784.
Colleges and universities
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 Lewisburg Area SD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Kelly El SchLewisburg | Pre-K–3 | 550 | Public | 1.4 mi |
| Linntown El SchLewisburg | 4–5 | 270 | Public | 1.0 mi |
| Donald H Eichhorn MSLewisburg | 6–8 | 438 | Public | 1.0 mi |
| Lewisburg HSLewisburg | 9–12 | 551 | Public | 1.1 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| River Valley Nature SchoolLewisburg | Pre-K–7 | 33 | Other religious | 0.9 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 East Buffalo, Kelly, Buffalo Township (Union County) and White Deer.
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.