Massachusetts House of Representatives' 4th Middlesex district

Massachusetts House of Representatives' 4th Middlesex district in the United States is one of 160 legislative districts included in the lower house of the Massachusetts General Court.

It covers parts of Middlesex County and Worcester County.

[1] Democrat Danielle Gregoire of Marlborough has represented the district since 2013.

[2] The district includes the following localities:[3] The current district geographic boundary overlaps with those of the Massachusetts Senate's Middlesex and Worcester district and 1st Worcester district.

[4] The district previously covered:

Map of Massachusetts House of Representatives' 4th Middlesex district, based on the 2010 United States census .