Barangay Pantubig

Classified as a mid-sized barangay, Barangay Pantubig is one of the administrative divisions of San Rafael in Bulacan, Central Luzon, Philippines.

According to the 2020 Philippine census, Barangay Pantubig had a population of 3,789. This made it the 10th largest of 34 barangays in San Rafael by population, placing it in the upper half of the municipality. Residents of Barangay Pantubig accounted for approximately 3.68% of the total population of San Rafael, which stood at 103,097 in the same census year.

The barangay recorded 3,750 residents in the 2015 intercensal count and 3,789 residents in the 2020 Census — a net change of +1.0%, consistent with a slowly expanding settlement. Barangay Pantubig is officially classified as urban, reflecting the density and built-up character of the area.

San Rafael is a municipality comprising 34 barangays, and serves as the governing unit directly responsible for local services in Barangay Pantubig, including public health, sanitation, peace and order, and civil registration. Within the wider province of Bulacan, which contains 569 barangays across its component cities and municipalities, Barangay Pantubig ranks 314th by 2020 population. Bulacan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Pantubig is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.