Bacong, officially the Municipality of Bacong, is a municipality in the province of Negros Oriental, Philippines. According to the 2020 cens…Bacong, officially the Municipality of Bacong, is a municipality in the province of Negros Oriental, Philippines. According to the 2020 census, it has a population of 41,207 people. Bacong was the hometown of the Visayan hero of the Philippine Revolution, Pantaleon Villegas, better known as León Kilat.