Washington Township (Northumberland County) is a township in Northumberland County, Pennsylvania, home to about 798 people across 18 square miles. Its ZIP codes are 17823 and 17867.
Mostly Washington Township (Northumberland County); also Upper Mahanoy and Little Mahanoy
Mostly Washington Township (Northumberland County); also Upper Mahanoy
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| Nearest major airport | Philadelphia International Airport (PHL)100 miles away |
|---|---|
| Closer regional airport | Williamsport Regional Airport (IPT)35 miles away |
| Nearest city of 250,000+ | Philadelphia, PA100 miles away |
Straight-line distances from the center of Washington 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.
Washington Township (Northumberland County) had 753 residents in the 2020 census, up 14% since 2000.
It’s the 1910th 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 19°F. About 43.3 inches of rain and melted snow fall in a typical year, with about 29 inches of snow.
Source: NOAA 1991–2020 climate normals, Selinsgrove 2 S, PA weather station (6 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).
3 doctors and other health care providers list an office in Washington Township (Northumberland County)’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Physical and occupational therapists | 2 |
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
Libraries
Counts are within about 3 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 |
|---|---|---|---|---|
| Cherrytown SchoolDornsife | 1–8 | 28 | Amish | 1.0 mi |
| Sunrise View SchoolDornsife | 1–8 | 27 | Amish | 7.0 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 Upper Mahanoy, Little Mahanoy, West Cameron and Jackson Township (Northumberland 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.