Delaware Township (Northumberland County) is a township in Northumberland County, Pennsylvania, home to about 4,280 people across 30 square miles. Its ZIP codes are 17730 and 17777, and parts of 17749 and 17756 are in Delaware Township (Northumberland County) too.
Homes sold for a median of $134 per square foot in the three months ending August 2026, a seller’s market.
All in Delaware Township (Northumberland County)
Mostly Delaware Township (Northumberland County); also Watsontown and Lewis Township (Northumberland County)
Mostly McEwensville; part is in Delaware Township (Northumberland County)
Mostly Muncy Creek; part is in Delaware Township (Northumberland County)
Each card is that ZIP code’s whole market, including any part outside Delaware Township (Northumberland County). Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Delaware Township (Northumberland County)’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Delaware Township (Northumberland County) well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Philadelphia International Airport (PHL)120 miles away |
|---|---|
| Closer regional airport | Williamsport Regional Airport (IPT)10 miles away |
| Nearest city of 250,000+ | Philadelphia, PA118 miles away |
Straight-line distances from the center of Delaware Township (Northumberland County); 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.
Delaware Township (Northumberland County) had 4,303 residents in the 2020 census, down 1% since 2000.
It’s the 662nd largest of 2,568 towns in Pennsylvania by population.
Northumberland County grew from 90,911 residents in 1900 to 91,647 in 2020.
Northumberland 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 43.7 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, Williamsport, PA weather station (10 miles away).
23,047 jobs at 1,611 businesses in Northumberland County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
49 doctors and other health care providers list an office in Delaware Township (Northumberland County)’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 3 |
| Nurse practitioners and physician assistants | 8 |
| Mental health providers | 25 |
| Physical and occupational therapists | 10 |
| 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 (6 nearby)
Grocery stores
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums
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.
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Maranatha Mennonite Christian SchoolWatsontown | K–12 | 157 | Mennonite | 4.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data 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 Muncy Creek, Muncy Borough, Watsontown, Moreland, Muncy Township, Lewis Township (Northumberland County), Wolf, Clinton Township (Lycoming County), Fairfield Township (Lycoming County), Franklin Township (Lycoming County), Mill Creek Township (Lycoming County) and McEwensville.
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.