Blank map of Massachusetts by county
All 14 counties of Massachusetts, ready to print on Letter, Tabloid, A4 or A3, or to download as PNG and SVG. Free, no sign-up.
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Mapsfera · data US Census Bureau
Massachusetts on the map
Massachusetts has 14 counties; only 5 states have fewer. The largest is Worcester, with 1,511 sq mi of land, and the smallest is Nantucket, with 46 sq mi: Worcester is about 33 times bigger.
The state capital, Boston, is in Suffolk County. The capital version marks it on the map.
Middlesex County is the most populous, with 1,669,979 people in 2025, or 23% of the state. The least populous is also Nantucket, with 14,758. Since 2020, Nantucket has grown the fastest (+3.6%) and Suffolk has lost the most (−1.1%).
What each county borders
Norfolk borders the most counties in the state: 5 (Bristol, Middlesex, Plymouth, Suffolk, and Worcester). Dukes and Nantucket border no other county: they are islands.
8 counties touch another state. 4 border New Hampshire: Essex, Franklin, Middlesex, and Worcester. 3 border Connecticut: Berkshire, Hampden, and Worcester. 3 border Rhode Island: Bristol, Norfolk, and Worcester. 2 border Vermont: Berkshire and Franklin. Only Berkshire borders New York.
8 counties are on the coast: Barnstable, Bristol, Dukes, Essex, Nantucket, Norfolk, Plymouth, and Suffolk. 1 county is fully inland, with no coast and no border with another state or country.
Number key
Numbers follow alphabetical order, from 1 (Barnstable) to 14 (Worcester). Area is land area, without lakes or sea, and population is the Census estimate for July 1, 2025; “Borders” counts neighboring counties in the same state.
| No. | County | Land area | Population (2025) | Borders |
|---|---|---|---|---|
| 1 | Barnstable | 394 sq mi | 233,539 | 1 |
| 2 | Berkshire | 927 sq mi | 128,224 | 3 |
| 3 | Bristol | 553 sq mi | 593,640 | 2 |
| 4 | Dukes | 103 sq mi | 21,219 | 0 |
| 5 | Essex | 493 sq mi | 826,653 | 2 |
| 6 | Franklin | 699 sq mi | 70,698 | 3 |
| 7 | Hampden | 617 sq mi | 464,338 | 3 |
| 8 | Hampshire | 527 sq mi | 164,065 | 4 |
| 9 | Middlesex | 818 sq mi | 1,669,979 | 4 |
| 10 | Nantucket | 46 sq mi | 14,758 | 0 |
| 11 | Norfolk | 396 sq mi | 739,749 | 5 |
| 12 | Plymouth | 659 sq mi | 546,829 | 3 |
| 13 | Suffolk | 58 sq mi | 791,891 | 3 |
| 14 | Worcester | 1,511 sq mi | 888,502 | 5 |
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Frequently asked questions
How many counties does Massachusetts have?
14 counties. Only 5 states have fewer.
What is the largest county in Massachusetts?
Worcester, with 1,511 sq mi of land. The smallest is Nantucket, with 46 sq mi.
What is the most populous county in Massachusetts?
Middlesex County, with an estimated 1,669,979 people in 2025, or 23% of the state.
What county is Boston in?
The state capital, Boston, is in Suffolk County.
Can I use it in class?
Yes, it’s free. Print it, copy it and hand it out as many times as you like. If you post it on a blog or a class website, credit “Mapsfera · data US Census Bureau”.
How do I print it on US Letter paper?
Choose Letter in “Paper size” and click “Download PDF”. In the print window, pick Letter paper and 100% scale (“Actual size”). For a bigger map, choose Tabloid (11 × 17 in) or A3.
What order are the numbers in?
Alphabetical, from 1 to the last one. That makes the key easy to follow when you grade, and it’s the same key the worksheet’s answer page uses.
Sources
- Boundaries: U.S. Census Bureau, Cartographic Boundary Files 2025, counties at 1:500,000 (public domain)
- Land and water area: U.S. Census Bureau (TIGER/Line and 2025 Gazetteer); population: Vintage 2025 estimates (July 1, 2025)
- State capital: Natural Earth, Populated Places (public domain); which counties it spans, Census places
- Neighbors, coastline and borders: calculated from those boundaries (and checked against the Census county adjacency file)