Barangay San Manuel

Situated in Echague, Isabela, Barangay San Manuel is one of 64 barangays that make up the municipality within Cagayan Valley.

According to the 2020 Philippine census, Barangay San Manuel had a population of 1,344. This made it the 29th largest of 64 barangays in Echague by population, placing it in the middle tier of the municipality. Residents of Barangay San Manuel accounted for approximately 1.52% of the total population of Echague, which stood at 88,410 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Manuel changed from 1,308 to 1,344, a shift of +2.8% over the five-year period. This places the barangay among those with growing populations in Echague. Barangay San Manuel is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Echague is a municipality comprising 64 barangays, and serves as the governing unit directly responsible for local services in Barangay San Manuel, 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 San Manuel ranks 482nd 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.