[3] According to the Philippine Statistics Authority,[5] the municipality has a land area of 231.20 square kilometres (89.27 sq mi) [6] constituting 16.84% of the 1,372.98-square-kilometre- (530.11 sq mi) total area of Bataan.

Making it the largest municipality in Bataan by land area.

Bagac borders provincial capital Balanga to the north, Orion and Limay to the east, Mariveles to the south, and Morong and the South China Sea to the west.

[3] The population density was 140 inhabitants per square kilometre (360/sq mi).

Poverty incidence of Bagac Source: Philippine Statistics Authority[13][14][15][16][17][18][19][20]