Barangay Luquilu

Barangay Luquilu forms part of Cabagan, a municipality in Isabela, and is classified as a mid-sized barangay.

According to the 2020 Philippine census, Barangay Luquilu had a population of 2,428. This made it the 10th largest of 26 barangays in Cabagan by population, placing it in the middle tier of the municipality. Residents of Barangay Luquilu accounted for approximately 4.50% of the total population of Cabagan, which stood at 53,897 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Luquilu changed from 2,261 to 2,428, a shift of +7.4% over the five-year period. This places the barangay among those with growing populations in Cabagan. Barangay Luquilu is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Cabagan is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Luquilu, including public health, sanitation, peace and order, and civil registration. Within the wider province of Isabela, which contains 1,055 barangays across its component cities and municipalities, Barangay Luquilu ranks 174th by 2020 population. Isabela 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.