List of former districts of the Massachusetts House of Representatives

The following is a list of former districts of the Massachusetts House of Representatives in the United States.

Legislative districts for elected representation in the Massachusetts House of Representatives are apportioned based on census information.

Apportionment has occurred generally every ten years: in 1857, 1866, 1876, 1886, 1896, 1906, 1916, 1926, 1939, 1947,[1]...2011.

"[1] Starting in 1857, 240 House districts were "drawn by county boards on the basis of statutory assignment of seats to each county.

"[1] A 1974 referendum, supported by the League of Women Voters, reduced the number of seats from 240 to 160.

Map of 240 districts of the Massachusetts House of Representatives apportioned in 1973
Map of the 160 districts of the Massachusetts House of Representatives apportioned in 1993
Map of the 160 districts of the Massachusetts House of Representatives apportioned in 2001