MA-01
- All of Berkshire County, all of Hampden County (except for Precinct 1A in Palmer), and the following towns and cities:
- In Franklin County: Ashfield, Bernardston, Buckland, Charlemont, Colrain, Conway, Hawley, Heath, Leyden, Monroe, Rowe, and Shelburne.
- In Hampshire County: Chesterfield, Cummington, Easthampton, Goshen, Granby, Huntington, Middlefield, Plainfield, South Hadley, Southampton, Westhampton, Williamsburg, and Worthington.
- In Worcester County: Brookfield, Charlton, Dudley, East Brookfield, Southbridge, Sturbridge, and Warren.
*No questionnaire was received from Richard Neal.