Towns in the 9th Congressional District of Massachusetts:

Barnstable, Bourne, Brewster, Chatham, Dennis, Eastham, Falmouth, Harwich, Mashpee, Orleans, Provincetown, Sandwich, Truro, Wellfleet, Yarmouth

Acushnet, Dartmouth, Fairhaven, New Bedford, Raynham (Precincts 1, 2, 4A only), Westport

Aquinnah, Chilmark, Edgartown, Gosnold, Oak Bluffs, Tisbury, West Tisbury

Nantucket

Cohasset

Bridgewater, Carver, Duxbury, Halifax, Hanover, Hanson, Kingston, Marion, Marshfield, Mattapoisett, Middleborough, Norwell, Pembroke, Plymouth, Plympton, Rochester, Rockland, Scituate, Wareham