Barangay Sioron

Classified as a small barangay, Barangay Sioron is one of the administrative divisions of Gigmoto in Catanduanes, Bicol Region, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Sioron had a population of 699. This made it the 7th largest of 9 barangays in Gigmoto by population, placing it in the middle tier of the municipality. Residents of Barangay Sioron accounted for approximately 8.02% of the total population of Gigmoto, which stood at 8,712 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Sioron moving from 764 residents to 699 residents, an intercensal change of -8.5%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay Sioron as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Gigmoto is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Sioron, including public health, sanitation, peace and order, and civil registration. Within the wider province of Catanduanes, which contains 315 barangays across its component cities and municipalities, Barangay Sioron ranks 156th by 2020 population. Catanduanes 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 Sioron 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.