Barangay Sibaguan

Barangay Sibaguan forms part of Lambunao, a municipality in Iloilo, and is classified as a very small barangay.

According to the 2020 Philippine census, Barangay Sibaguan had a population of 407. This made it the 66th largest of 73 barangays in Lambunao by population, placing it among the smaller barangays of the municipality. Residents of Barangay Sibaguan accounted for approximately 0.50% of the total population of Lambunao, which stood at 81,236 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Sibaguan changed from 441 to 407, a shift of -7.7% over the five-year period. This places the barangay among those with contracting populations in Lambunao. Barangay Sibaguan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Lambunao is a municipality comprising 73 barangays, and serves as the governing unit directly responsible for local services in Barangay Sibaguan, 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 Sibaguan ranks 1449th 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 Sibaguan 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.