Barangay Villabuena

Barangay Villabuena forms part of Santa Maria, a municipality in Isabela, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Villabuena had a population of 928. This made it the 15th largest of 20 barangays in Santa Maria by population, placing it among the smaller barangays of the municipality. Residents of Barangay Villabuena accounted for approximately 3.60% of the total population of Santa Maria, which stood at 25,758 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Villabuena moving from 936 residents to 928 residents, an intercensal change of -0.9%. The trajectory indicates a broadly stable community. The Philippine Statistics Authority classifies Barangay Villabuena as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santa Maria is a municipality comprising 20 barangays, and serves as the governing unit directly responsible for local services in Barangay Villabuena, 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 Villabuena ranks 690th 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.