Barangay Calunasan

Barangay Calunasan forms part of Maria, a municipality in Siquijor, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Calunasan had a population of 643. This made it the 11th largest of 22 barangays in Maria by population, placing it in the middle tier of the municipality. Residents of Barangay Calunasan accounted for approximately 4.47% of the total population of Maria, which stood at 14,385 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Calunasan moving from 634 residents to 643 residents, an intercensal change of +1.4%. The trajectory indicates a slowly expanding community. The Philippine Statistics Authority classifies Barangay Calunasan 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 Calunasan, 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 Calunasan ranks 75th 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.

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.