Suffolk County is located in Massachusetts. About 778,121 people live here. Between 2010 and 2020, the population grew from 722,023 to 797,936. The area covers about 311.0 square kilometers. The region is divided into 4 Municipalities. The region was founded in 1643. The name originates from Suffolk (county of England) Suffolk County is county in Massachusetts, United States.
| Named after | Suffolk |
| Year built | 1643 |
| Area | 311 km² |
| Located in | Massachusetts, Massachusetts Bay Colony, Dominion of New England, Province of Massachusetts Bay |
| Country | United States, Province of Massachusetts Bay, Massachusetts Bay Colony |
| Population | 797936 |
| Native name | Suffolk County |
| Bike path |
| Bike lane on roadway |
| Cycling allowed on bus lane |
| Bicycle street |
| Open to cyclists |
| Open to cyclists, good path |
| Cycling prohibited |
| Cobblestone |
| Long-distance bike route | (depending on scale) |
| Long-distance bike route |
| Long-distance hiking trail | (depending on scale) |
| Long-distance hiking trail |
| Pedestrians prohibited |
Public transit map Suffolk County Legend 
Bicycle map Suffolk County Legend 
Pedestrian map Suffolk County Legend