Barangay Luna (Pob.)

Situated in Roxas, Isabela, Barangay Luna (Pob.) is one of 26 barangays that make up the municipality within Cagayan Valley.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Luna (Pob.) had a population of 1,528. This made it the 15th largest of 26 barangays in Roxas by population, placing it in the middle tier of the municipality. Residents of Barangay Luna (Pob.) accounted for approximately 2.32% of the total population of Roxas, which stood at 65,839 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Luna (Pob.) changed from 1,666 to 1,528, a shift of -8.3% over the five-year period. This places the barangay among those with contracting populations in Roxas. The Philippine Statistics Authority classifies Barangay Luna (Pob.) as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Roxas is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Luna (Pob.), 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 Luna (Pob.) ranks 412th 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.