Bulacan local elections were held on May 13, 2019 as part of the 2019 Philippine general election. 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.

Alexis Collera Castro, better known as Alex Castro, is a Filipino model, singer, actor and politician currently serving as the Vice Governor of Bulacan since 2022. He is previously a member of the Bulacan Provincial Board from the 4th district from 2016 to 2022. He also served as a municipal councilor of Marilao from 2007 to 2013 and chairman of Sangguniang Kabataan in Barangay Lias, Marilao from 2002 to 2007. As a talent, he signed with GMA Network, yet later transferred to its rival network ABS-CBN, then returned to GMA after eleven years.