Barangay Bacjawan Sur

Barangay Bacjawan Sur forms part of Concepcion, a municipality in Iloilo, and is classified as a mid-sized barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Bacjawan Sur had a population of 3,729. This made it the 3rd largest of 25 barangays in Concepcion by population, placing it among the most populous barangays of the municipality. Residents of Barangay Bacjawan Sur accounted for approximately 8.35% of the total population of Concepcion, which stood at 44,633 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Bacjawan Sur changed from 1,583 to 3,729, a shift of +135.6% over the five-year period. This places the barangay among those with growing populations in Concepcion. The Philippine Statistics Authority classifies Barangay Bacjawan Sur as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Concepcion is a municipality comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Bacjawan Sur, including public health, sanitation, peace and order, and civil registration. Within the wider province of Iloilo, which contains 1,901 barangays across its component cities and municipalities, Barangay Bacjawan Sur ranks 42nd by 2020 population. Iloilo is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Bacjawan 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.