Barangay Sigayan

Situated in Lambayong, Sultan Kudarat, Barangay Sigayan is one of 26 barangays that make up the municipality within SOCCSKSARGEN.

According to the 2020 Philippine census, Barangay Sigayan had a population of 3,216. This made it the 8th largest of 26 barangays in Lambayong by population, placing it in the upper half of the municipality. Residents of Barangay Sigayan accounted for approximately 4.03% of the total population of Lambayong, which stood at 79,739 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Sigayan moving from 2,355 residents to 3,216 residents, an intercensal change of +36.6%. The trajectory indicates a growing community. Barangay Sigayan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Lambayong is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Sigayan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Sultan Kudarat, which contains 249 barangays across its component cities and municipalities, Barangay Sigayan ranks 95th by 2020 population. Sultan Kudarat is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Sigayan 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.