Colley is a township in Sullivan County, Pennsylvania, home to about 611 people across 58 square miles. Its ZIP code is 18628, and parts of 18614 are in Colley too.
Homes sold for a median of $87 per square foot in the three months ending August 2026, a seller’s market.
Mostly Cherry Township (Sullivan County); part is in Colley
Each card is that ZIP code’s whole market, including any part outside Colley. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Syracuse Hancock International Airport (SYR)113 miles away |
|---|---|
| Closer regional airport | Williamsport Regional Airport (IPT)33 miles away |
| Nearest city of 250,000+ | Philadelphia, PA120 miles away |
Straight-line distances from the center of Colley; 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.
Colley had 615 residents in the 2020 census, down 5% since 2000.
It’s the 2069th largest of 2,568 towns in Pennsylvania by population.
Sullivan County grew from 12,134 residents in 1900 to 5,840 in 2020.
Sullivan County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 80°F in summer, and winter lows average 15°F. About 43.5 inches of rain and melted snow fall in a typical year, with about 41 inches of snow.
Source: NOAA 1991–2020 climate normals, Dushore, PA weather station (4 miles away).
1,022 jobs at 156 businesses in Sullivan 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.
Grocery stores (2 nearby)
Libraries (1 nearby)
Museums
Counts are within about 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.
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Shares ZIP codes with Cherry Township (Sullivan County), Dushore, Forks Township, Forkston and Laporte Township.
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.