Former state senate districts
- 1st Bristol district[2]
- 1st Hampden district[2]
- 1st Norfolk district[3]
- 1st Plymouth district[4]
- 1st Suffolk and Norfolk district[2]
- 1st Worcester and Middlesex district[2]
- 2nd Bristol district[2]
- 2nd Hampden district[2]
- 2nd Hampden and Hampshire district[4]
- 2nd Norfolk district[3]
- 2nd Plymouth district[4]
- 2nd Suffolk and Norfolk district[2]
- 2nd Worcester and Middlesex district[2]
- 3rd Bristol district[5]
- 3rd Essex and Middlesex district[6]
- 3rd Middlesex and Norfolk district
- 3rd Norfolk district[7]
- 3rd Suffolk district[5]
- 3rd Worcester district[5]
- 4th Essex district[5]
- 4th Suffolk district[5]
- 4th Worcester district[5]
- 5th Essex district[5]
- 5th Suffolk district[5]
- 5th Worcester district[7]
- 6th Essex district[8]
- 6th Middlesex district[5]
- 6th Suffolk district[5]
- 7th Middlesex district[5]
- 7th Suffolk district[3]
- 8th Middlesex district[5]
- 8th Suffolk district[8]
- 9th Suffolk district[8]
- Barnstable County[9]
- Berkshire district[4]
- Berkshire and Hampshire district[7]
- Berkshire, Franklin, Hampden and Hampshire district[2]
- Berkshire, Hampden, Hampshire, and Franklin district[10]
- Berkshire, Hampshire and Franklin district[6]
- Berkshire, Hampshire and Hampden district[11]
- Bristol and Plymouth district[2]
- Cape district[12]
- Cape and Plymouth district[5]
- Central Worcester district[12]
- East Hampden district[12]
- East Norfolk district[12]
- East Worcester district[12]
- Essex County[13]
- Franklin district[12]
- Franklin and Hampshire district[2]
- Hampden and Berkshire district[5]
- Hampden and Hampshire district[2]
- Hampshire district[12]
- Hampshire and Franklin district[6]
- Island district[12]
- Middle Plymouth district[12]
- Middlesex and Essex district[6]
- Middlesex and Norfolk district[2]
- Middlesex County[14]
- Middlesex, Norfolk and Worcester district[2]
- Middlesex, Suffolk and Essex district[6]
- Norfolk district[2]
- Norfolk and Bristol district[2]
- Norfolk and Middlesex district[3]
- Norfolk County[15]
- North Berkshire district[12]
- North Bristol district[12]
- North Norfolk district[12]
- North Plymouth district[12]
- North-East Worcester district[12]
- Plymouth district[2]
- Plymouth County[16]
- South Berkshire district[12]
- South Bristol district[12]
- South Plymouth district[12]
- South-East Worcester district[12]
- South-West Worcester district[12]
- Suffolk and Middlesex district[2]
- Suffolk and Norfolk district[6]
- Suffolk County[17]
- Suffolk, Essex and Middlesex district[2]
- West Bristol district[12]
- West Hampden district[12]
- West Norfolk district[12]
- West Worcester district[12]
- Worcester district[2]
- Worcester and Hampden district[3]
- Worcester and Hampshire district[8]
- Worcester County[18]
- Worcester, Franklin, Hampden and Hampshire district[2]
- Worcester, Hampden and Hampshire district[5]
- Worcester, Hampden, Hampshire and Franklin district[6]
