Barangay Bil-loca

Classified as a mid-sized barangay, Barangay Bil-loca is one of the administrative divisions of City of Batac in Ilocos Norte, Ilocos Region, Philippines.

According to the 2020 Philippine census, Barangay Bil-loca had a population of 2,780. This made it the 4th largest of 43 barangays in City of Batac by population, placing it among the most populous barangays of the city. Residents of Barangay Bil-loca accounted for approximately 5.01% of the total population of City of Batac, which stood at 55,484 in the same census year.

The barangay recorded 2,866 residents in the 2015 intercensal count and 2,780 residents in the 2020 Census — a net change of -3.0%, consistent with a contracting settlement. Barangay Bil-loca is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Batac is a city comprising 43 barangays, and serves as the governing unit directly responsible for local services in Barangay Bil-loca, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Norte, which contains 559 barangays across its component cities and municipalities, Barangay Bil-loca ranks 13th by 2020 population. Ilocos Norte is classified as a 1st 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.