Barangay Bani

Situated in Rosario, La Union, Barangay Bani is one of 33 barangays that make up the municipality within Ilocos Region.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Bani had a population of 1,675. This made it the 17th largest of 33 barangays in Rosario by population, placing it in the middle tier of the municipality. Residents of Barangay Bani accounted for approximately 2.78% of the total population of Rosario, which stood at 60,278 in the same census year.

The barangay recorded 1,654 residents in the 2015 intercensal count and 1,675 residents in the 2020 Census — a net change of +1.3%, consistent with a slowly expanding settlement. The Philippine Statistics Authority classifies Barangay Bani as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Rosario is a municipality comprising 33 barangays, and serves as the governing unit directly responsible for local services in Barangay Bani, including public health, sanitation, peace and order, and civil registration. Within the wider province of La Union, which contains 576 barangays across its component cities and municipalities, Barangay Bani ranks 149th by 2020 population. La Union is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Bani is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.