Suffolk County is located in eastern Massachusetts. It is bordered to the northwest by Middlesex County, to the north by Essex County, to the East by The Atlantic Ocean, and to the south by Norfolk County . The 2012 population for Suffolk County was estimated to be 722,023. There are a total of 4 cities in Suffolk with the largest being Boston. Suffolk County has a land area of 120.19 square miles.
In 1999 County functions for the area were assumed by the Commonwealth of Massachusetts, making Suffolk County a historical geographic region, with no county government.
|Town||County||Land area (sq mi)||Population (2010)|
|Boston (City)||Suffolk County||89.63||617594|
|Chelsea (City)||Suffolk County||2.5||35177|
|Revere (City)||Suffolk County||10||51755|
|Winthrop (City)||Suffolk County||8.3||17497|