Barangay Olang

Situated in Maria, Siquijor, Barangay Olang is one of 22 barangays that make up the municipality within Central Visayas.

According to the 2020 Philippine census, Barangay Olang had a population of 701. This made it the 7th largest of 22 barangays in Maria by population, placing it in the upper half of the municipality. Residents of Barangay Olang accounted for approximately 4.87% of the total population of Maria, which stood at 14,385 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Olang changed from 659 to 701, a shift of +6.4% over the five-year period. This places the barangay among those with growing populations in Maria. Barangay Olang is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Maria is a municipality comprising 22 barangays, and serves as the governing unit directly responsible for local services in Barangay Olang, including public health, sanitation, peace and order, and civil registration. Within the wider province of Siquijor, which contains 134 barangays across its component cities and municipalities, Barangay Olang ranks 68th by 2020 population. Siquijor is classified as a 5th by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Olang 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.