Barangay Loob

Situated in San Antonio, Quezon, Barangay Loob is one of 20 barangays that make up the municipality within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Loob had a population of 2,077. This made it the 6th largest of 20 barangays in San Antonio by population, placing it in the upper half of the municipality. Residents of Barangay Loob accounted for approximately 5.79% of the total population of San Antonio, which stood at 35,891 in the same census year.

The barangay recorded 1,886 residents in the 2015 intercensal count and 2,077 residents in the 2020 Census — a net change of +10.1%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Loob 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 Loob, 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 Loob ranks 282nd 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 Loob 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.