Acton
Town in Middlesex County, Massachusetts

Acton is a town in Middlesex County, Massachusetts, with 24,021 residents (2020 Census). It sits at 259 ft (79 m) above sea level. The nearest town is West Concord, 2.9 miles SE.
- 24,021residents (2020 Census)
- 259 ftelevation · 79 m
- 19.9 sq miland area · 51.5 km²
- 1,209 / sq mipopulation density
- 01720main ZIP code (2 in total)
About Acton
Acton is a town in Middlesex County, Massachusetts, United States, approximately 21 miles (34 km) west-northwest of Boston along Massachusetts Route 2 west of Concord and about ten miles (16 km) southwest of Lowell. The population was 24,021 in April 2020, according to the United States Census Bureau. It is bordered by Westford and Littleton to the north, Concord and Carlisle to the east, Stow, Maynard, and Sudbury to the south and Boxborough to the west. Acton became an incorporated town in 1735. The town employs the Open Town Meeting form of government with a town manager and an elected, five-member select board.
Acton was named the 11th Best Place To Live among small towns in the country by Money Magazine in 2015, and the 16th best in 2009 and in 2011. The local high school, Acton-Boxborough Regional High School, was named a Blue Ribbon School by the U.S. Department of Education in 2009. The town is also a member of Minuteman Technical Vocational Regional School District. Minuteman was recognized as a National Blue Ribbon School by the Department of Education in 2018. Minuteman was recognized as a National Green Ribbon School by Department of Education in 2024
Text: Wikipedia · CC BY-SA 4.0
Acton weather: 7-day forecast
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Live webcams in Acton
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Living in Acton
- Median household income
- $158,230
- Median home value
- $807,300
- Median rent
- $1,986/mo
- Median age
- 44.5
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Map of Acton
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Open in Google Maps ›Acton, MA population
Acton had 24,021 residents in the 2020 Census.
| 2020 Census | 24,021 |
|---|---|
| Density | 1,209 per sq mi (467 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Acton at a glance
| State | Massachusetts (MA) |
|---|---|
| County | Middlesex County |
| Type | Town |
| Population | 24,021 (2020) |
| Land area | 19.87 sq mi (51.5 km²) |
| Water area | 0.43 sq mi (1.12 km²) |
| Elevation | 259 ft (79 m) |
| Coordinates | 42.4840° N, 71.4385° W |
| ZIP codes | 01720, 01718 |
| Official website | acton-ma.gov |
| Census code (GEOID) | 2501700380 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Acton
- West Concord2.9 mi SE
- Littleton Common3.9 mi NW
- Concord4.0 mi E
- Maynard4.1 mi S
- Boxborough4.2 mi W
- Littleton4.5 mi NW
- Stow5.3 mi SW
- Carlisle5.4 mi NE
- Sudbury7.0 mi S
- Westford7.0 mi N
- Lincoln7.7 mi SE
- Harvard7.8 mi W
Straight-line distance between town centers.
Frequently asked questions about Acton
What county is Acton in?
Acton is in Middlesex County, Massachusetts.
What is the population of Acton, MA?
24,021 people lived in Acton at the 2020 Census.
What is the ZIP code of Acton, MA?
The main ZIP code is 01720. Other ZIP codes: 01718.
What is the elevation of Acton?
259 feet (79 m) above sea level.
What towns are near Acton?
West Concord (2.9 mi), Littleton Common (3.9 mi), Concord (4.0 mi), Maynard (4.1 mi), Boxborough (4.2 mi).
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