Bulacan Provincial Board

The Bulacan Provincial Board is the Sangguniang Panlalawigan of the Philippine province of Bulacan.
The members are elected via plurality-at-large voting: the province is divided into six Sangguniang Panlalawigan districts, and each district send two members since 2022; the number of candidates the electorate votes for and the number of winning candidates depends on the number of members their district sends. The vice governor is the ex officio presiding officer, and only votes to break ties. The vice governor is elected via the plurality voting system province-wide.
The districts used in appropriation of members is coextensive with the legislative districts of Bulacan, with the exception that the Legislative district of [San Jose del Monte] being a part of the 4th provincial board district until 2025.

District apportionment

In May 2024, the Supreme Court ordered the addition of two seats in the Board for San Jose del Monte following a petition by Representative Florida Robes.

An additional three ex officio members are the presidents of the provincial chapters of the Association of [Barangay Captains], the Philippine Councilors League, the Sangguniang Kabataan provincial president shall elect amongst themselves their provincial presidents which shall be their representatives at the board.
Starting in 2017, the province also reserved a seat for its indigenous peoples.

The term of elected officials of the Sangguniang Kabataan elected in 2010 expired on November 30, 2013, and were not replaced.

Municipalities: Balagtas, Bocaue, Guiguinto, PandiPopulation : 486,960

Municipalities: Angat, Norzagaray, Santa MariaPopulation : 491,501