Established by the Chapter 82 of the Acts of 2021.
Berkshire, Hampden, Franklin, and Hampshire
- Adams
- Alford
- Ashfield
- Becket
- Blandford
- Buckland
- Charlemont
- Cheshire
- Chester
- Chesterfield
- Clarksburg
- Colrain
- Conway
- Cummington
- Dalton
- Egremont
- Florida
- Goshen
- Granville
- Great Barrington
- Hancock
- Hawley
- Heath
- Hinsdale
- Huntington
- Lanesborough
- Lee
- Lenox
- Middlefield
- Monroe
- Monterey
- Mount Washington
- New Ashford
- New Marlborough
- North Adams
- Otis
- Peru
- Pittsfield
- Plainfield
- Richmond
- Rowe
- Sandisfield
- Savoy
- Sheffield
- Shelburne
- Southwick
- Stockbridge
- Tolland
- Tyringham
- Washington
- West Stockbridge
- Westhampton
- Whately
- Williamsburg
- Williamstown
- Windsor
- Worthington
Bristol and Norfolk
- Attleboro
- Canton
- Foxborough
- Mansfield
- North Attleborough
- Norton
- Sharon
First Bristol and Plymouth
- Fall River
- Freetown
- Lakeville
- Rochester
- Somerset
- Swansea
- Westport
Second Bristol and Plymouth
- Acushnet
- Dartmouth
- Fairhaven
- Mattapoisett
- New Bedford
Third Bristol and Plymouth
- Berkley
- Carver
- Dighton
- Marion
- Middleborough
- Raynham
- Rehoboth
- Seekonk
- Taunton
- Wareham
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Cape and Islands
- Aquinnah
- Barnstable
- Brewster
- Chatham
- Chilmark
- Dennis
- Eastham
- Edgartown
- Gosnold
- Harwich
- Nantucket
- Oak Bluffs
- Orleans
- Provincetown
- Tisbury
- Truro
- Wellfleet
- West Tisbury
- Yarmouth
First Essex
- Haverhill:
Ward 1 Precincts 1, 2, 3;
Ward 2 Precinct 3;
Ward 3 Precincts 1, 2, 3;
Ward 5 Precinct 1A;
Ward 6 Precinct 2A;
Ward 7 Precinct 2A; - Lawrence
- Methuen
Second Essex
- Beverly
- Danvers
- Peabody
- Salem
Third Essex
- Lynn
- Lynnfield
- Marblehead
- Nahant
- Saugus
- Swampscott
First Essex and Middlesex
- Boxford
- Essex
- Georgetown
- Gloucester
- Groveland
- Hamilton
- Ipswich
- Manchester-by-the-Sea
- Middleton
- Newbury
- Newburyport
- North Andover:
Precincts 7, 8; - North Reading
- Rockport
- Rowley
- Salisbury
- Topsfield
- Wenham
- West Newbury
Second Essex and Middlesex
- Amesbury
- Andover
- Haverhill:
Ward 1 Precincts 2A, 3A;
Ward 2 Precincts 1, 2;
Ward 4 Precincts 1, 2, 3;
Ward 5 Precincts 1, 2, 3, 3A;
Ward 6 Precincts 1, 2, 3;
Ward 7 Precincts 1, 2, 3, 3A; - Merrimac
- North Andover:
Precincts 1, 2, 3, 4, 5, 6 - Tewksbury
- Wilmington
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Hampden
- Chicopee:
Ward 2 Precincts A, B;
Ward 3 Precincts A, A1, B;
Ward 4 Precincts A, B;
Ward 5 Precincts A, B;
Ward 7 Precinct B;
Ward 8 Precinct A; - Springfield:
Ward 1;
Ward 2;
Ward 3;
Ward 4;
Ward 5;
Ward 6 Precincts A, C, D1, E, F, G, H;
Ward 7 Precincts A, A1, B1, H;
Ward 8;
Hampden and Hampshire
- Agawam
- Chicopee:
Ward 7 Precinct A;
Ward 9 Precinct A; - Easthampton
- Holyoke
- Montgomery
- Russell
- Southampton
- West Springfield
- Westfield
Hampden, Hampshire, and Worcester
- Belchertown
- Chicopee:
Ward 1 Precincts A, B;
Ward 6;
Ward 8 Precinct B;
Ward 9 Precinct B; - East Longmeadow
- Granby
- Hampden
- Longmeadow
- Ludlow
- Palmer
- South Hadley
- Springfield:
Ward 6 Precincts B, D;
Ward 7 Precincts B, C, D, E, F, G, H1 - Warren
- Wilbraham
Hampshire, Franklin, and Worcester
- Amherst
- Ashburnham
- Athol
- Bernardston
- Deerfield
- Erving
- Gill
- Greenfield
- Hadley
- Hatfield
- Leverett
- Leyden
- Montague
- New Salem
- Northampton
- Northfield
- Orange
- Pelham
- Petersham
- Royalston
- Shutesbury
- Sunderland
- Warwick
- Wendell
- Winchendon
First Middlesex
- Dracut
- Dunstable
- Lowell
- Pepperell
- Tyngsborough
Second Middlesex
- Cambridge:
Ward 7 Precinct 1;
Ward 8 Precinct 1;
Ward 10;
Ward 11; - Medford
- Somerville
- Winchester:
Precincts 4, 5, 6, 7;
Third Middlesex
- Bedford
- Carlisle
- Chelmsford
- Concord
- Lexington:
Precincts 3, 8, 9; - Lincoln
- Waltham
- Weston
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Fourth Middlesex
- Arlington
- Billerica
- Burlington
- Lexington:
Precincts 1, 2, 4, 5, 6, 7; - Woburn
Fifth Middlesex
- Malden
- Melrose
- Reading
- Stoneham
- Wakefield
- Winchester:
Precincts 1, 2, 3, 8;
Middlesex and Norfolk
- Ashland
- Framingham
- Holliston
- Hopkinton
- Medway
- Natick
Middlesex and Suffolk
- Boston:
Ward 2; - Cambridge:
Ward 1;
Ward 2;
Ward 3;
Ward 4;
Ward 5;
Ward 6;
Ward 7 Precincts 2, 2A, 3;
Ward 8 Precinct 3; - Chelsea
- Everett
Middlesex and Worcester
- Acton
- Ayer
- Boxborough
- Harvard
- Hudson
- Littleton
- Marlborough
- Maynard
- Southborough
- Stow
- Sudbury
- Wayland
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Norfolk and Middlesex
- Brookline
- Newton
- Wellesley
Norfolk and Plymouth
- Abington
- Braintree:
Precincts 3B, 4B, 6A; - Hanover
- Holbrook
- Quincy
- Rockland
Norfolk, Plymouth, and Bristol
- Braintree:
Precincts 1A, 1B, 2A, 2B, 3A, 4A, 5A, 5B, 6B - Bridgewater
- Easton
- Milton
- Randolph:
Precincts 4, 5, 6, 9, 10, 11, 12; - Stoughton
- West Bridgewater
Norfolk and Suffolk
- Boston:
Ward 18 Precincts 9, 10, 11, 12, 16, 17, 19, 20, 22, 23;
Ward 19 Precincts 2, 3, 5, 8, 9, 10, 11, 13;
Ward 20; - Dedham
- Norwood
- Walpole
- Westwood
Norfolk, Worcester, and Middlesex
- Bellingham
- Dover
- Franklin
- Medfield
- Milford
- Millis
- Needham
- Norfolk
- Plainville
- Sherborn
- Wrentham
Plymouth and Barnstable
- Bourne
- Falmouth
- Kingston
- Mashpee
- Pembroke
- Plymouth
- Plympton
- Sandwich
First Plymouth and Norfolk
- Cohasset
- Duxbury
- Hingham
- Hull
- Marshfield
- Norwell
- Scituate
- Weymouth
Second Plymouth and Norfolk
- Avon
- Brockton
- East Bridgewater
- Halifax
- Hanson
- Randolph:
Precincts 1, 2, 3, 7, 8; - Whitman
First Suffolk
- Boston:
Ward 1 Precinct 15;
Ward 3 Precincts 7, 8, 14, 15, 16;
Ward 4 Precincts 1, 2, 3, 4, 5;
Ward 5 Precincts 1, 13, 14;
Ward 6;
Ward 7;
Ward 8 Precincts 1, 2, 6;
Ward 9 Precincts 1, 2;
Ward 13 Precincts 3, 5, 6, 7, 8, 9, 10;
Ward 15;
Ward 16;
Ward 17;
Second Suffolk
- Boston:
Ward 4 Precincts 9, 11;
Ward 8 Precincts 3, 4, 5;
Ward 9 Precincts 3, 4, 5, 6, 7;
Ward 10;
Ward 11;
Ward 12;
Ward 13 Precincts 1, 2, 4;
Ward 14;
Ward 18 Precincts 1, 2, 3, 4, 5, 6, 7, 8, 13, 14, 15, 18, 21;
Ward 19 Precincts 1, 4, 6, 7, 12;
Third Suffolk
- Boston:
Ward 1 Precincts 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14;
Ward 3 Precincts 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 17;
Ward 4 Precincts 6, 7, 8;
Ward 5 Precincts 3, 4, 5, 6, 7, 8, 9, 11; - Revere
- Winthrop
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Suffolk and Middlesex
- Belmont
- Boston:
Ward 4 Precincts 10, 12;
Ward 5 Precincts 2, 10, 12, 15;
Ward 21;
Ward 22; - Cambridge:
Ward 8 Precinct 2;
Ward 9; - Watertown
First Worcester
- Berlin
- Bolton
- Boylston
- Northborough
- West Boylston
- Worcester:
Ward 1;
Ward 2;
Ward 3;
Ward 4 Precincts 2, 2B, 3;
Ward 6 Precinct 3;
Ward 7 Precincts 1, 3;
Ward 8 Precincts 1, 2, 3, 4, 6;
Ward 9 Precincts 1, 2, 5, 6;
Ward 10;
Second Worcester
- Auburn
- Grafton
- Millbury
- Shrewsbury
- Westborough
- Worcester:
Ward 4 Precincts 1, 2A, 4, 5, 6;
Ward 5;
Ward 6 Precincts 1, 2, 4, 5, 6;
Ward 7 Precinct 5A;
Ward 8 Precinct 5;
Worcester and Hampden
- Blackstone
- Brimfield
- Charlton
- Douglas
- Dudley
- Holland
- Hopedale
- Mendon
- Millville
- Monson
- Northbridge
- Oxford
- Southbridge
- Sturbridge
- Sutton
- Upton
- Uxbridge
- Wales
- Webster
Worcester and Hampshire
- Barre
- Brookfield
- East Brookfield
- Gardner
- Hardwick
- Holden
- Hubbardston
- Leicester
- New Braintree
- North Brookfield
- Oakham
- Paxton
- Phillipston
- Princeton
- Rutland
- Spencer
- Sterling
- Templeton
- Ware
- West Brookfield
- Westminster
- Worcester:
Ward 7 Precincts 2, 4, 5, 6;
Ward 9 Precincts 3, 4;
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Worcester and Middlesex
- Ashby
- Clinton
- Fitchburg
- Groton
- Lancaster
- Leominster
- Lunenburg
- Shirley
- Townsend
- Westford
