Barangay Mabilbila Norte

Barangay Mabilbila Norte forms part of Santa, a municipality in Ilocos Sur, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Mabilbila Norte had a population of 673. This made it the 8th largest of 26 barangays in Santa by population, placing it in the upper half of the municipality. Residents of Barangay Mabilbila Norte accounted for approximately 4.49% of the total population of Santa, which stood at 14,992 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Mabilbila Norte moving from 685 residents to 673 residents, an intercensal change of -1.8%. The trajectory indicates a broadly stable community. Barangay Mabilbila Norte is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santa is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Mabilbila Norte, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Sur, which contains 768 barangays across its component cities and municipalities, Barangay Mabilbila Norte ranks 447th by 2020 population. Ilocos Sur 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 Mabilbila Norte 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.