Barangay Lumbayao

Barangay Lumbayao forms part of Kabasalan, a municipality in Zamboanga Sibugay, and is classified as a mid-sized barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Lumbayao had a population of 2,905. This made it the 2nd largest of 29 barangays in Kabasalan by population, placing it among the most populous barangays of the municipality. Residents of Barangay Lumbayao accounted for approximately 6.20% of the total population of Kabasalan, which stood at 46,884 in the same census year.

The barangay recorded 2,773 residents in the 2015 intercensal count and 2,905 residents in the 2020 Census — a net change of +4.8%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Lumbayao as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Kabasalan is a municipality comprising 29 barangays, and serves as the governing unit directly responsible for local services in Barangay Lumbayao, including public health, sanitation, peace and order, and civil registration. Within the wider province of Zamboanga Sibugay, which contains 389 barangays across its component cities and municipalities, Barangay Lumbayao ranks 43rd by 2020 population. Zamboanga Sibugay is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.