Barangay Mambog

Classified as a mid-sized barangay, Barangay Mambog is one of the administrative divisions of Botolan in Zambales, Central Luzon, Philippines.

According to the 2020 Philippine census, Barangay Mambog had a population of 4,524. This made it the 3rd largest of 31 barangays in Botolan by population, placing it among the most populous barangays of the municipality. Residents of Barangay Mambog accounted for approximately 6.78% of the total population of Botolan, which stood at 66,739 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Mambog changed from 4,145 to 4,524, a shift of +9.1% over the five-year period. This places the barangay among those with growing populations in Botolan. Barangay Mambog is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Botolan is a municipality comprising 31 barangays, and serves as the governing unit directly responsible for local services in Barangay Mambog, including public health, sanitation, peace and order, and civil registration. Within the wider province of Zambales, which contains 247 barangays across its component cities and municipalities, Barangay Mambog ranks 33rd by 2020 population. Zambales is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Mambog is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.