Barangay Maisog

Situated in San Lorenzo Ruiz, Camarines Norte, Barangay Maisog is one of 12 barangays that make up the municipality within Bicol Region.

According to the 2020 Philippine census, Barangay Maisog had a population of 553. This made it the 9th largest of 12 barangays in San Lorenzo Ruiz by population, placing it in the middle tier of the municipality. Residents of Barangay Maisog accounted for approximately 3.51% of the total population of San Lorenzo Ruiz, which stood at 15,757 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Maisog moving from 471 residents to 553 residents, an intercensal change of +17.4%. The trajectory indicates a growing community. Barangay Maisog is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Lorenzo Ruiz is a municipality comprising 12 barangays, and serves as the governing unit directly responsible for local services in Barangay Maisog, including public health, sanitation, peace and order, and civil registration. Within the wider province of Camarines Norte, which contains 282 barangays across its component cities and municipalities, Barangay Maisog ranks 269th by 2020 population. Camarines Norte is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Maisog 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.