Suffolk County, Massachusetts
Suffolk County | |
|---|---|
Suffolk County Courthouse | |
Location within the U.S. state of Massachusetts | |
Massachusetts's location within the U.S. | |
| Coordinates: 42°20′06″N 71°04′25″W / 42.334949°N 71.073494°W | |
| Country | United States |
| State | Massachusetts |
| Founded | May 10, 1643 |
| Named after | Suffolk |
| Seat | Boston |
| Largest city | Boston |
| Area | |
• Total | 120 sq mi (300 km2) |
| • Land | 58.15 sq mi (150.6 km2) |
| • Water | 62 sq mi (160 km2) 52% |
| Population (2020) | |
• Total | 797,936 |
| • Density | 13,698/sq mi (5,289/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional districts | 5th, 7th, 8th |
Suffolk County (/ˈsʌfək/ SUF-ək) is located in the Commonwealth of Massachusetts, in the United States. As of the 2020 census, the population was 797,936, making it the fourth-most populous county in Massachusetts. The county comprises the cities of Boston, Chelsea, and Revere, and the town of Winthrop. The traditional county seat is Boston, the state capital and the largest city in Massachusetts. The county government was abolished in 1999, resulting in Suffolk County now functioning only as an administrative subdivision of state government and a set of communities grouped together for some statistical purposes. Suffolk County is located at the core of the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area as well as the greater Boston-Worcester-Providence, MA-RI-NH-CT Combined Statistical Area.