Barangay Bitadton Sur

Barangay Bitadton Sur forms part of Culasi, a municipality in Antique, and is classified as a mid-sized barangay.

According to the 2020 Philippine census, Barangay Bitadton Sur had a population of 2,139. This made it the 5th largest of 44 barangays in Culasi by population, placing it among the most populous barangays of the municipality. Residents of Barangay Bitadton Sur accounted for approximately 4.81% of the total population of Culasi, which stood at 44,494 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Bitadton Sur moving from 2,166 residents to 2,139 residents, an intercensal change of -1.2%. The trajectory indicates a broadly stable community. Barangay Bitadton Sur is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Culasi is a municipality comprising 44 barangays, and serves as the governing unit directly responsible for local services in Barangay Bitadton Sur, including public health, sanitation, peace and order, and civil registration. Within the wider province of Antique, which contains 590 barangays across its component cities and municipalities, Barangay Bitadton Sur ranks 54th by 2020 population. Antique is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Bitadton Sur 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.