Byron is a town in Oxford County, Maine, home to about 174 people across 52 square miles. It has no ZIP code of its own: it’s part of 04275.
Homes sold for a median of $396 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Roxbury; part is in Byron
Each card is that ZIP code’s whole market, including any part outside Byron. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Portland International Jetport (PWM)71 miles away |
|---|---|
| Closer regional airport | Augusta State Airport (AUG)46 miles away |
| Nearest city of 250,000+ | Boston, MA162 miles away |
| Nearest city of 1 million+ | New York, NY323 miles away |
Straight-line distances from the center of Byron; 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.
Byron had 103 residents in the 2020 census, down 15% since 2000.
It’s the 450th largest of 519 towns in Maine by population.
Oxford County grew from 32,238 residents in 1900 to 57,777 in 2020.
Oxford County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 77°F in summer, and winter lows average 4°F. About 51.7 inches of rain and melted snow fall in a typical year, with about 112 inches of snow.
Source: NOAA 1991–2020 climate normals, Andover 2, ME weather station (9 miles away).
14,143 jobs at 1,381 businesses in Oxford 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
Pharmacies
Libraries
Museums
Theaters and performance venues
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 Roxbury.
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.