Acton is a town in York County, Maine, home to about 2,721 people across 38 square miles. Its ZIP code is 04001.
Homes sold for a median of $388 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 Acton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Acton’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)32 miles away |
|---|---|
| Nearest city of 250,000+ | Boston, MA84 miles away |
| Nearest city of 1 million+ | New York, NY252 miles away |
Straight-line distances from the center of Acton; 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.
Acton had 2,671 residents in the 2020 census, up 25% since 2000.
It’s the 134th largest of 519 towns in Maine by population.
York County grew from 64,885 residents in 1900 to 211,972 in 2020.
York 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 10°F. About 51.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Sanford 2 Nnw, ME weather station (10 miles away).
56,640 jobs at 5,914 businesses in York 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.
Parks (4 nearby)
Grocery stores
Libraries (1 nearby)
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.
Established in 1830.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Acton Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Acton Elementary SchoolActon | Pre-K–8 | 256 | Public | 3.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| MaplestoneActon | 7–12 | 24 | Nonsectarian | 3.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private 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.