It borders on the Atlantic Ocean to the east, Connecticut to the southwest and Rhode Island to the southeast, New Hampshire to the northeast, Vermont to the northwest, and New York to the west. The capital of Massachusetts is Boston, which is also the most populous city in New England. It is home to the Greater Boston metropolitan area, a region influential upon American history, academia, and industry. Originally dependent on agriculture, fishing and trade, Massachusetts was transformed into a manufacturing center during the Industrial Revolution. During the 20th century, Massachusetts's economy shifted from manufacturing to services. Modern Massachusetts is a global leader in biotechnology, engineering, higher education, finance, and maritime trade.

• Population: 7,029,917
• Area: 10,554 sq mi
• Capital: Boston
• Largest City: Boston
• Date of Admisson: Feb 6, 1788
• Number of Representatives: 9
• Number of Counties: 14

List of counties: