Barangay Lower Bayao

Barangay Lower Bayao forms part of Tukuran, a municipality in Zamboanga Del Sur, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Lower Bayao had a population of 872. This made it the 18th largest of 25 barangays in Tukuran by population, placing it in the middle tier of the municipality. Residents of Barangay Lower Bayao accounted for approximately 2.06% of the total population of Tukuran, which stood at 42,429 in the same census year.

The barangay recorded 824 residents in the 2015 intercensal count and 872 residents in the 2020 Census — a net change of +5.8%, consistent with a growing settlement. Barangay Lower Bayao is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Tukuran is a municipality comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Lower Bayao, including public health, sanitation, peace and order, and civil registration. Within the wider province of Zamboanga Del Sur, which contains 779 barangays across its component cities and municipalities, Barangay Lower Bayao ranks 425th by 2020 population. Zamboanga Del Sur is classified as a 1st 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.