Barangay Mabusag Sur

Situated in Badoc, Ilocos Norte, Barangay Mabusag Sur is one of 31 barangays that make up the municipality within Ilocos Region.

According to the 2020 Philippine census, Barangay Mabusag Sur had a population of 1,135. This made it the 13th largest of 31 barangays in Badoc by population, placing it in the middle tier of the municipality. Residents of Barangay Mabusag Sur accounted for approximately 3.49% of the total population of Badoc, which stood at 32,530 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Mabusag Sur moving from 1,133 residents to 1,135 residents, an intercensal change of +0.2%. The trajectory indicates a slowly expanding community. Barangay Mabusag Sur is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Badoc is a municipality comprising 31 barangays, and serves as the governing unit directly responsible for local services in Barangay Mabusag Sur, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Norte, which contains 559 barangays across its component cities and municipalities, Barangay Mabusag Sur ranks 200th by 2020 population. Ilocos Norte is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Mabusag Sur 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.