Barangay Sinonok

Classified as a small barangay, Barangay Sinonok is one of the administrative divisions of Dumingag in Zamboanga Del Sur, Zamboanga Peninsula, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Sinonok had a population of 758. This made it the 27th largest of 44 barangays in Dumingag by population, placing it in the middle tier of the municipality. Residents of Barangay Sinonok accounted for approximately 1.55% of the total population of Dumingag, which stood at 48,881 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Sinonok moving from 729 residents to 758 residents, an intercensal change of +4.0%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Sinonok as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Dumingag is a municipality comprising 44 barangays, and serves as the governing unit directly responsible for local services in Barangay Sinonok, 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 Sinonok ranks 483rd 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.