By the year 1591 the town of Bulakan had 1,200 tributes or 4,800 persons, one Augustinian convent and one Alcalde mayor who had jurisdiction over the town of Malolos (Become independent in 1673) Balagtas formerly ""Bigaa"" (become separate town in 1596), Guiguinto (become separate town in 1915). In the heart of the town stands the centuries old adobe church of Nuestra Señora de la Asunción in front of it, stand the municipal hall and the park dedicated to Gregorio del Pilar.