Barangay San Isidro

Situated in Macalelon, Quezon, Barangay San Isidro is one of 30 barangays that make up the municipality within CALABARZON.

According to the 2020 Philippine census, Barangay San Isidro had a population of 878. This made it the 13th largest of 30 barangays in Macalelon by population, placing it in the middle tier of the municipality. Residents of Barangay San Isidro accounted for approximately 3.21% of the total population of Macalelon, which stood at 27,312 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Isidro moving from 856 residents to 878 residents, an intercensal change of +2.6%. The trajectory indicates a growing community. Barangay San Isidro is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Macalelon is a municipality comprising 30 barangays, and serves as the governing unit directly responsible for local services in Barangay San Isidro, 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 San Isidro ranks 667th 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.

Barangay San Isidro 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.