Windsor is a town in Kennebec County, Maine, home to about 2,690 people across 35 square miles. Its ZIP code is 04363.
Homes sold for a median of $247 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Windsor. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Windsor’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)58 miles away |
|---|---|
| Closer regional airport | Augusta State Airport (AUG)11 miles away |
| Nearest city of 250,000+ | Boston, MA154 miles away |
| Nearest city of 1 million+ | New York, NY335 miles away |
Straight-line distances from the center of Windsor; 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.
Windsor had 2,632 residents in the 2020 census, up 19% since 2000.
It’s the 135th largest of 519 towns in Maine by population.
Kennebec County grew from 59,117 residents in 1900 to 123,642 in 2020.
Kennebec County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 9°F. About 47.8 inches of rain and melted snow fall in a typical year, with about 69 inches of snow.
Source: NOAA 1991–2020 climate normals, Gardiner, ME weather station (12 miles away).
49,617 jobs at 3,318 businesses in Kennebec County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
5 doctors and other health care providers list an office in Windsor.
Nearest hospitals
Providers with an office here
| Dentists | 3 |
|---|---|
| Mental health providers | 2 |
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 (5 nearby)
Grocery stores
Museums (1 nearby)
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.
Public schools here are run by Rsu 12. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Windsor Elementary SchoolWindsor | K–8 | 288 | Public | 0.2 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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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.