Barangay J. M. Alberto

Classified as a small barangay, Barangay J. M. Alberto is one of the administrative divisions of San Miguel in Catanduanes, Bicol Region, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay J. M. Alberto had a population of 836. This made it the 8th largest of 24 barangays in San Miguel by population, placing it in the upper half of the municipality. Residents of Barangay J. M. Alberto accounted for approximately 5.33% of the total population of San Miguel, which stood at 15,680 in the same census year.

Census comparisons between 2015 and 2020 show Barangay J. M. Alberto moving from 815 residents to 836 residents, an intercensal change of +2.6%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay J. M. Alberto as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Miguel is a municipality comprising 24 barangays, and serves as the governing unit directly responsible for local services in Barangay J. M. Alberto, including public health, sanitation, peace and order, and civil registration. Within the wider province of Catanduanes, which contains 315 barangays across its component cities and municipalities, Barangay J. M. Alberto ranks 120th by 2020 population. Catanduanes is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.