Jefferson is a town in Lincoln County, Maine, home to about 2,647 people across 53 square miles. Its ZIP code is 04348.
Homes sold for a median of $226 per square foot in the three months ending August 2026, a seller’s market.
Mostly Jefferson; also Somerville and Hibberts Gore
Each card is that ZIP code’s whole market, including any part outside Jefferson. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Jefferson’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Jefferson well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Portland International Jetport (PWM)56 miles away |
|---|---|
| Closer regional airport | Augusta State Airport (AUG)16 miles away |
| Nearest city of 250,000+ | Boston, MA151 miles away |
| Nearest city of 1 million+ | New York, NY333 miles away |
Straight-line distances from the center of Jefferson; 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.
Jefferson had 2,551 residents in the 2020 census, up 7% since 2000.
It’s the 139th largest of 519 towns in Maine by population.
Lincoln County grew from 19,669 residents in 1900 to 35,237 in 2020.
Lincoln County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 78°F in summer, and winter lows average 15°F. About 49.3 inches of rain and melted snow fall in a typical year, with about 79 inches of snow.
Source: NOAA 1991–2020 climate normals, Newcastle, ME weather station (12 miles away).
9,608 jobs at 1,383 businesses in Lincoln County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
3 doctors and other health care providers list an office in Jefferson.
Nearest hospitals
Providers with an office here
| Mental health providers | 2 |
|---|---|
| Chiropractors | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (3 nearby)
Libraries
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.
Public schools here are run by Rsu 12, Jefferson Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Somerville Elementary SchoolSomerville | Pre-K | 32 | Public | 6.6 mi |
| Jefferson Village SchoolJefferson | K–8 | 215 | Public | 3.0 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.
Buying or selling around Jefferson? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with Somerville and Hibberts Gore.
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.