Middlesex County Map, Massachusetts

Middlesex County Map Collection
We allow you to use our Middlesex County map. Attribution is required.
Middlesex County, Massachusetts

Middlesex County lies just north of Boston. It’s the most populous county in Massachusetts, stretching from the suburbs of the capital to the quiet towns along the New Hampshire border.
Lowell was once a powerhouse of the Industrial Revolution. Now, it has reinvented itself as a cultural hub. Cambridge, home to Harvard and MIT, pulses with intellectual energy.
You’ll find revolutionary war sites scattered throughout. This helps remind visitors of the area’s role in shaping the nation. The county’s diversity shines through its food scene. Despite its size and variety, Middlesex County maintains a strong sense of community. It still is a cornerstone of local governance in many places.
Category | Details |
---|---|
County name | Middlesex County |
County seat | Cambridge and Lowell (Co-seats) |
Population | Approximately 1,650,000 |
Cities, towns, and communities | Acton, Arlington, Ashby, Ashland, Ayer, Bedford, Belmont, Billerica, Boxborough, Burlington, Cambridge, Carlisle, Chelmsford, Concord, Dracut, Dunstable, Everett, Framingham, Groton, Holliston, Hopkinton, Hudson, Lexington, Lincoln, Littleton, Lowell, Malden, Marlborough, Maynard, Medford, Melrose, Natick, Newton, North Reading, Pepperell, Reading, Sherborn, Shirley, Somerville, Stoneham, Stow, Sudbury, Tewksbury, Townsend, Tyngsborough, Waltham, Watertown, Wayland, Westford, Weston, Wilmington, Winchester, Woburn |
Interstates and highways | Interstate 90 (Massachusetts Turnpike), Interstate 93, Interstate 95, U.S. Route 3, Massachusetts Route 2, Massachusetts Route 9 |
FIPS code | 25-017 |
Total area (land and water) | 847 square miles (818 square miles land, 29 square miles water) |
Adjacent counties (and direction) | Hillsborough County, New Hampshire (North), Essex County (Northeast), Suffolk County (Southeast), Norfolk County (South), Worcester County (West) |
Time zone | Eastern Time Zone (ET) |
State | Massachusetts |
Coordinates | 42.4700° N, 71.4350° W |
Etymology | Named after Middlesex, England |
Major landmarks | Harvard University, Massachusetts Institute of Technology (MIT), Minute Man National Historical Park, Walden Pond, Lowell National Historical Park |
PHYSICAL MAP
Middlesex County Topographic Map
Middlesex County has varied terrain. Hills rise in the northwest, but much of the land stays gently rolling. Rivers and small lakes interrupt the flow. Subtle changes in elevation are clear on the map. Our zoom tool shows the whole network in detail.

TRANSPORTATION MAP
Middlesex County Road Map
Middlesex County is full of major roads. I-95 and I-495 loop around the outer areas, while Route 2 and Route 3 cut across. Though some stretches move fast, traffic can be rough near Boston. Even so, road access is excellent. Local roads fill the gaps, and commuter routes are everywhere.

SATELLITE IMAGERY
Middlesex County Satellite Map
Using our satellite map, you’ll see dense development around Cambridge and Lowell. Forests and wetlands still appear farther out. Though cities dominate the east, the western side stays greener. The Charles River and Merrimack River both stand out clearly.

OUTLINE MAP
Middlesex County Blank Map
Middlesex has an irregular shape, stretching from just west of Boston to New Hampshire. It borders New Hampshire to the north and several other Massachusetts counties to the south and west.

Neighboring Counties
Here are the 5 neighboring counties of Middlesex County: