Frenchboro is a town in Hancock County, Maine, home to about 30 people across 4.8 square miles. Its ZIP code is 04635, and parts of 04685 are in Frenchboro too.
Homes sold for a median of $487 per square foot in the three months ending August 2026, a buyer’s market.
All in Frenchboro
Mostly Swans Island; part is in Frenchboro
Each card is that ZIP code’s whole market, including any part outside Frenchboro. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Frenchboro’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Portland International Jetport (PWM)101 miles away |
|---|---|
| Closer regional airport | Hancock County-Bar Harbor Airport (BHB)22 miles away |
| Nearest city of 250,000+ | Boston, MA181 miles away |
| Nearest city of 1 million+ | New York, NY370 miles away |
Straight-line distances from the center of Frenchboro; 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.
Frenchboro had 29 residents in the 2020 census, down 24% since 2000.
It’s the 510th largest of 519 towns in Maine by population.
Hancock County grew from 37,241 residents in 1900 to 55,478 in 2020.
Hancock County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 79°F in summer, and winter lows average 15°F. About 55.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Acadia Np, ME weather station (18 miles away).
17,387 jobs at 2,397 businesses in Hancock 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.
Libraries
Counts are within about 1.5 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.
Public schools here are run by Frenchboro Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Frenchboro Elementary SchoolFrenchboro | K–8 | 2 | Public | 2.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Swans Island and Marshall Island UT.
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.