Barangay Shiolan

Situated in Kabasalan, Zamboanga Sibugay, Barangay Shiolan is one of 29 barangays that make up the municipality within Zamboanga Peninsula.

According to the 2020 Philippine census, Barangay Shiolan had a population of 527. This made it the 27th largest of 29 barangays in Kabasalan by population, placing it among the smaller barangays of the municipality. Residents of Barangay Shiolan accounted for approximately 1.12% of the total population of Kabasalan, which stood at 46,884 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Shiolan moving from 455 residents to 527 residents, an intercensal change of +15.8%. The trajectory indicates a growing community. Barangay Shiolan is officially classified 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 Shiolan, 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 Shiolan ranks 361st 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.