New Berlin is a borough in Union County, Pennsylvania, home to about 781 people across 0.4 square miles. Its ZIP code is 17855.
Homes sold for a median of $151 per square foot in the three months ending August 2026, a buyer’s market.
Mostly New Berlin; also Limestone Township (Union County)
Each card is that ZIP code’s whole market, including any part outside New Berlin. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up New Berlin’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows New Berlin well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Philadelphia International Airport (PHL)115 miles away |
|---|---|
| Closer regional airport | Williamsport Regional Airport (IPT)25 miles away |
| Nearest city of 250,000+ | Philadelphia, PA114 miles away |
Straight-line distances from the center of New Berlin; 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.
New Berlin had 801 residents in the 2020 census, down 4% since 2000.
It’s the 1931st 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 (7 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).
1 doctors and other health care providers list an office in New Berlin.
Nearest hospitals
Providers with an office here
| Mental health providers | 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.
Grocery stores
Pharmacies
Libraries
Museums
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.
Public schools here are run by SUN Area Technical Institute. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| SUN Area Technical InstituteNew Berlin | 9–12 | 14 | Career and Technical | 0.3 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.
Buying or selling around New Berlin? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with Limestone Township (Union County).
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.