Massachusetts House of Representatives' 1st Essex district is one of 160 districts included in the lower house of the Massachusetts General Court. It covers part of Essex County. Democrat Dawne Shand of Newburyport has represented the district since 2023.
Following redistricting efforts in 2021, the 1st Essex shifted slightly west. The district now includes the towns of Merrimac and Salisbury; the city of Newburyport; and part of the city of Amesbury. Previously, the 1st Essex District included all of the city of Amesbury.
The district includes the following localities:
The current district geographic boundary overlaps with those of the Massachusetts Senate's 1st Essex and Middlesex and 2nd Essex and Middlesex districts.
The district previously covered the following: