Barangay Villanueva

Classified as a small barangay, Barangay Villanueva is one of the administrative divisions of San Manuel in Isabela, Cagayan Valley, Philippines.

According to the 2020 Philippine census, Barangay Villanueva had a population of 1,795. This made it the 11th largest of 19 barangays in San Manuel by population, placing it in the middle tier of the municipality. Residents of Barangay Villanueva accounted for approximately 5.27% of the total population of San Manuel, which stood at 34,085 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Villanueva moving from 1,360 residents to 1,795 residents, an intercensal change of +32.0%. The trajectory indicates a growing community. Barangay Villanueva is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Manuel is a municipality comprising 19 barangays, and serves as the governing unit directly responsible for local services in Barangay Villanueva, 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 Villanueva ranks 325th 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.

Like every Philippine barangay, Barangay Villanueva 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.