Porac is a landlocked municipality in the coastal province of Pampanga.
The municipality has a land area of 314.00 square kilometers or 121.24 square miles which constitutes 15.69% of Pampanga’s total area. Its population as determined by the 2020 Census was 140,751. This represented 5.77% of the total population of Pampanga province, or 1.13% of the overall population of the Central Luzon region. Based on these figures, the population density is computed at 448 inhabitants per square kilometer or 1,161 inhabitants per square mile.