Barangay Sianon

Barangay Sianon is a small barangay in the municipality of Badiangan, located in the province of Iloilo, in the Western Visayas region of the Philippines.

According to the 2020 Philippine census, Barangay Sianon had a population of 1,021. This made it the 9th largest of 31 barangays in Badiangan by population, placing it in the upper half of the municipality. Residents of Barangay Sianon accounted for approximately 3.77% of the total population of Badiangan, which stood at 27,056 in the same census year.

The barangay recorded 915 residents in the 2015 intercensal count and 1,021 residents in the 2020 Census — a net change of +11.6%, consistent with a growing settlement. Barangay Sianon is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Badiangan is a municipality comprising 31 barangays, and serves as the governing unit directly responsible for local services in Barangay Sianon, including public health, sanitation, peace and order, and civil registration. Within the wider province of Iloilo, which contains 1,901 barangays across its component cities and municipalities, Barangay Sianon ranks 745th by 2020 population. Iloilo 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 Sianon 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.