[5] Boston's borough status passed to the enlarged district from its creation, allowing the chair of the council to take the title of mayor, continuing Boston's series of mayors dating back to 1545.

Much of the borough is covered by civil parishes, which form a third tier of local government.

Political control of the council since the 1974 reforms has been as follows:[12][13] The role of mayor is largely ceremonial in Boston.

[20] The wards, and their numbers of councillors, are:[18] The council is based at the Municipal Buildings on West Street in Boston.

[21] The building was built in 1902 for the old borough council to the designs of architect James Rowell.

[24] The local MP Matt Warman, a Conservative, had campaigned for a "Remain" vote.