Voters selected their candidates of choice for all local positions: a town mayor, vice mayor and town councilors, as well as members of the Sangguniang Panlalawigan, the vice-governor, governor and representatives for the four districts of Bulacan and the lone district of San Jose del Monte City.

Asiong Mendiola, the running mate of Teddy Natividad, withdrew his candidacy.

She faced former Governor and 3rd District Representative Joselito Andrew Mendoza and her late husband's son Ricardo S. Silverio, Jr.

Incumbent Linabelle Ruth Villarica was term-limited; she ran as City Mayor of Meycauayan instead.

Her husband, incumbent Meycauayan City Mayor Henry Villarica ran unopposed for her seat.

Incumbent Board Members Alex Castro and Allan Ray Baluyut ran for their second and third terms, respectively.

His brother, incumbent Councilor Piccolo, ran for Mayor against former PBA player and JRU Heavy Bombers head coach Vergel Meneses.

Incumbent Vice Mayor Alberto "Berting" Bituin was term-limited, and ran for councilor.

Incumbent Mayor Jessie de Jesus ran for his third term unopposed.

Incumbent Vice Mayor Zar Candelaria was term-limited, and ran for Board Member under PDP-Laban.

The candidates for Vice Mayor were incumbent Councilors Thelma Antonio-Dansalan and Victor "Aboy" de Belen.

Incumbent Mayor Raulito "Amboy" Manlapaz ran for his third and final term.

Incumbent Mayor Eleanor "Joni" Villanueva-Tugna ran for her second term against former Provincial Administrator Jim Valerio.

Incumbent Vice Mayor Imelda "Mhel" Gatdula-de Leon ran for her second term unopposed.

Incumbent Mayor Leonardo de Leon ran for his third and final term.

He had been removed from office for grave misconduct on August 10, 2016,[5] a decision reversed by the Supreme Court on November 23, 2018.

Incumbent Mayor Carla Galvez-Tan ran for her second term even as she was suspended for 9 months on 29 August 2018.

Incumbent Mayor Cipriano "Goto" Violago ran for his third and final term.

Incumbent Mayor Juanito "Tito" Santiago did not seek reelection; his party nominated former Municipal ABC President Ricky Silvestre.