Annin is a township in McKean County, Pennsylvania, home to about 679 people across 33 square miles. Its ZIP code is 16750, and parts of 16731 and 16743 are in Annin too.
Homes sold for a median of $75 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
All in Annin
Mostly Eldred Township (McKean County); part is in Annin
Mostly Port Allegany; part is in Annin
Each card is that ZIP code’s whole market, including any part outside Annin. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Buffalo Niagara International Airport (BUF)76 miles away |
|---|---|
| Closer regional airport | Bradford Regional Airport (BFD)17 miles away |
| Nearest city of 250,000+ | Buffalo, NY75 miles away |
| Nearest city of 1 million+ | Philadelphia, PA211 miles away |
Straight-line distances from the center of Annin; 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.
Annin had 709 residents in the 2020 census, down 15% since 2000.
It’s the 2015th largest of 2,568 towns in Pennsylvania by population.
McKean County grew from 51,343 residents in 1900 to 40,432 in 2020.
McKean 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 14°F. About 42.6 inches of rain and melted snow fall in a typical year, with about 55 inches of snow.
Source: NOAA 1991–2020 climate normals, Port Allegany, PA weather station (5 miles away).
12,412 jobs at 933 businesses in McKean 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
Libraries
Museums
Counts are within about 4 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 Port Allegany, Liberty Township (McKean County), Eldred Township (McKean County), Eldred Borough, Ceres and Pleasant Valley.
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.