Acton, MA ZIP codes
Acton, Massachusetts has 2 ZIP codes. They are in Middlesex County.
- Population in these ZIPs
- 23,930
- Avg. median income
- $158,100population-weighted
- Typical home value
- $866,000population-weighted
- Metro area
- Boston-Cambridge-Newton, MA-NH
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Acton, MA ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 01718 | Middlesex County | 404 | $104,167 | $488,800 |
| 01720 | Middlesex County | 23,526 | $159,010 | $872,500 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Acton
- Littleton 4 mi
- Carlisle 4 mi
- Concord 5 mi
- Boxborough 5 mi
- Maynard 5 mi
- Westford 6 mi
- Stow 6 mi
- Harvard 7 mi
- Chelmsford 7 mi
- Bedford 8 mi
- Framingham 8 mi
- Hanscom Afb 8 mi
Frequently asked questions
What county is Acton, Massachusetts in?
Acton ZIP codes are in Middlesex County.