Consists of the following towns:

Abington, Avon, Boston (Ward 6; Ward 7 - Precincts 1-9; Ward 10 - Precinct 9; Ward 11 - Precinct 9; Ward 13 - Precincts 3, 7, 10; Ward 16 - Precincts 2, 5, 7-12; Ward 17 - Precinct 13; Ward 18 - Precincts 9, 10, 16-20, 22; Ward 19 - Precincts 1-6, 8-10, 12, 13; Ward 20), Braintree, Bridgewater, Brockton, Canton, Dedham, Dover, East Bridgewater, Hanson, Holbrook, Medfield, Millis, Milton, Needham, Norwood, Randolph, Sharon, Sherborn, Stoughton, Walpole, West Bridgewater, Westwood, Whitman.