Dukes County Post Offices

4 State Rd
Chilmark, Massachusetts 02535

13a Broadway
Cuttyhunk, Massachusetts 02713

236b Edgartown Rd
Edgartown, Massachusetts 02539

24e Kennebec Ave
Oak Bluffs, Massachusetts 02557

1 Lagoon Pond Rd
Vineyard Haven, Massachusetts 02568

479 State Rd
West Tisbury, Massachusetts 02575

Dukes County

There are 6 US Post Offices in Dukes County serving a total of 16,512 residents equating to 2,752 residents per post office. It's estimated that approximately 26,355 packages are handled across the 6 county post offices annually. Dukes County is a county located in the U.S. state of Massachusetts. As of the 2010 census, the population was 16,535, making it the second-least populous county in Massachusetts. Its county seat is Edgartown. Dukes County comprises the Vineyard Haven, MA Micropolitan Statistical Area. The county consists of the island of Martha's Vineyard (including Chappaquiddick Island), the Elizabeth Islands (including Cuttyhunk), the island of Nomans Land, and other associated islets."