Suffolk County is essentially Boston and its closest neighbors, the most densely populated county in the state. Boston, the state capital, is the county seat.
This is the historic core of the region, from the Freedom Trail and Fenway Park to the Museum of Fine Arts and the JFK Library. Chelsea, Revere, and Winthrop round out the county.
Only about 14% of Suffolk County homes heat with oil, since most run on gas. If you're one of them, comparing local quotes still helps.