Barangay Manuel del Valle, Sr.

Classified as a small barangay, Barangay Manuel del Valle, Sr. is one of the administrative divisions of San Antonio in Quezon, CALABARZON, Philippines.

According to the 2020 Philippine census, Barangay Manuel del Valle, Sr. had a population of 1,049. This made it the 19th largest of 20 barangays in San Antonio by population, placing it among the smaller barangays of the municipality. Residents of Barangay Manuel del Valle, Sr. accounted for approximately 2.92% of the total population of San Antonio, which stood at 35,891 in the same census year.

The barangay recorded 871 residents in the 2015 intercensal count and 1,049 residents in the 2020 Census — a net change of +20.4%, consistent with a growing settlement. Barangay Manuel del Valle, Sr. is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Antonio is a municipality comprising 20 barangays, and serves as the governing unit directly responsible for local services in Barangay Manuel del Valle, Sr., including public health, sanitation, peace and order, and civil registration. Within the wider province of Quezon, which contains 1,242 barangays across its component cities and municipalities, Barangay Manuel del Valle, Sr. ranks 577th by 2020 population. Quezon 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 Manuel del Valle, Sr. 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.