Barangay Masudsud

Barangay Masudsud forms part of Concepcion, a municipality in Romblon, and is classified as a very small barangay.

According to the 2020 Philippine census, Barangay Masudsud had a population of 268. This made it the 7th largest of 9 barangays in Concepcion by population, placing it in the middle tier of the municipality. Residents of Barangay Masudsud accounted for approximately 7.53% of the total population of Concepcion, which stood at 3,561 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Masudsud changed from 370 to 268, a shift of -27.6% over the five-year period. This places the barangay among those with contracting populations in Concepcion. Barangay Masudsud is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Concepcion is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Masudsud, including public health, sanitation, peace and order, and civil registration. Within the wider province of Romblon, which contains 219 barangays across its component cities and municipalities, Barangay Masudsud ranks 211th by 2020 population. Romblon is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Masudsud 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.