Barangay Matimbubong

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

According to the 2020 Philippine census, Barangay Matimbubong had a population of 2,806. This made it the 17th largest of 36 barangays in San Ildefonso by population, placing it in the middle tier of the municipality. Residents of Barangay Matimbubong accounted for approximately 2.42% of the total population of San Ildefonso, which stood at 115,713 in the same census year.

The barangay recorded 2,583 residents in the 2015 intercensal count and 2,806 residents in the 2020 Census — a net change of +8.6%, consistent with a growing settlement. Barangay Matimbubong is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Ildefonso is a municipality comprising 36 barangays, and serves as the governing unit directly responsible for local services in Barangay Matimbubong, 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 Matimbubong ranks 402nd 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.

Like every Philippine barangay, Barangay Matimbubong 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.