Upper Mahanoy is a township in Northumberland County, Pennsylvania, home to about 769 people across 23 square miles. Its ZIP code is 17836, and parts of 17823, 17867, 17941 and 17964 are in Upper Mahanoy too.
Homes sold for a median of $181 per square foot across 3 ZIP codes in the three months ending August 2026, and 0 of 3 were seller’s markets.
All in Upper Mahanoy
Mostly Washington Township (Northumberland County); part is in Upper Mahanoy
Mostly Washington Township (Northumberland County); part is in Upper Mahanoy
Mostly Upper Mahantongo; part is in Upper Mahanoy
Mostly Eldred Township (Schuylkill County); part is in Upper Mahanoy
Each card is that ZIP code’s whole market, including any part outside Upper Mahanoy. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Upper Mahanoy’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)95 miles away |
|---|---|
| Closer regional airport | Harrisburg International Airport (MDT)36 miles away |
| Nearest city of 250,000+ | Philadelphia, PA94 miles away |
Straight-line distances from the center of Upper Mahanoy; 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.
Upper Mahanoy had 648 residents in the 2020 census, up 8% since 2000.
It’s the 1942nd 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 (11 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).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
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Shares ZIP codes with Eldred Township (Schuylkill County), Washington Township (Northumberland County), Upper Mahantongo, Little Mahanoy, West Cameron, Jackson Township (Northumberland County) and Jordan 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.