Map of Massachusetts Counties

Massachusetts is divided into 14 counties, from the island county of Nantucket to the rural expanses of Worcester and Berkshire counties. Use the interactive maps below to explore counties and their boundaries. Download free maps or learn more about creating a custom map of Massachusetts to visualize your own data.

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Interactive Map of Massachusetts Counties

Massachusetts Counties: Key Facts

  • Number of counties: 14
  • Total number of municipalities: 351 (39 cities and 312 towns)
  • Largest county by land area: Worcester County - 1,513 square miles (3,919 km²)
  • Smallest county by land area: Nantucket County - 47 square miles (122 km²)
  • Most populous county: Middlesex County - about 1.61 million residents
  • Least populous county: Nantucket County - about 14,255 residents
  • State capital location: Suffolk County (Boston)
  • Time zone: Eastern Time Zone
  • Neighboring states: New Hampshire, Vermont, New York, Connecticut, Rhode Island

Interesting Facts

  • Early colonial counties: Some of the earliest counties, like Essex, Middlesex, and Suffolk, trace to the 17th century under the Massachusetts Bay Colony.
  • Oldest town: Plymouth, founded in 1620
  • Single-municipality county: Nantucket County is coterminous with the Town of Nantucket
  • Boston’s compact county: Suffolk County is densely populated with Boston, Chelsea, Revere, and Winthrop

Free Downloads

You can download free blank Map of Massachusetts Counties and other maps in high resolution PNG, SVG and PDF formats from the blank maps section of the site: Download Blank Map of Massachusetts Counties

Custom Map Features

This map supports labels.

This map supports surrounding areas. New

This map is divided into 14 counties.

Updates

Sep 15, 2025:

  • Improved map quality
  • Added support for surrounding areas and lakes

Aug 26, 2024:

  • Added map of Massachusetts Counties

Frequently Asked Questions

The Commonwealth of Massachusetts has 14 counties: Barnstable, Berkshire, Bristol, Dukes, Essex, Franklin, Hampden, Hampshire, Middlesex, Nantucket, Norfolk, Plymouth, Suffolk, and Worcester.

Boston is in Suffolk County, which also includes Chelsea, Revere, and Winthrop.

Worcester County is the largest Massachusetts county by land area, covering about 1,513 square miles (3,919 km²).

Middlesex County is the most populous county, with about 1.61 million residents.

You can use Ultimaps to create custom maps of Massachusetts. Color-code counties manually or upload data, place pins, customize the look and feel, and export to PNG, PDF, or SVG.