Barangay Maynganay Sur

Classified as a small barangay, Barangay Maynganay Sur is one of the administrative divisions of Santa Maria in Ilocos Sur, Ilocos Region, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Maynganay Sur had a population of 832. This made it the 18th largest of 33 barangays in Santa Maria by population, placing it in the middle tier of the municipality. Residents of Barangay Maynganay Sur accounted for approximately 2.77% of the total population of Santa Maria, which stood at 30,006 in the same census year.

The barangay recorded 817 residents in the 2015 intercensal count and 832 residents in the 2020 Census — a net change of +1.8%, consistent with a slowly expanding settlement. The Philippine Statistics Authority classifies Barangay Maynganay Sur as urban, reflecting the density and built-up character of the area.

Santa Maria is a municipality comprising 33 barangays, and serves as the governing unit directly responsible for local services in Barangay Maynganay Sur, 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 Maynganay Sur ranks 353rd 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.

Barangay Maynganay 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.