Barangay Senonogan

Barangay Senonogan forms part of Pambujan, a municipality in Northern Samar, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Senonogan had a population of 741. This made it the 19th largest of 26 barangays in Pambujan by population, placing it in the middle tier of the municipality. Residents of Barangay Senonogan accounted for approximately 2.09% of the total population of Pambujan, which stood at 35,532 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Senonogan changed from 629 to 741, a shift of +17.8% over the five-year period. This places the barangay among those with growing populations in Pambujan. Barangay Senonogan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Pambujan is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Senonogan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Northern Samar, which contains 569 barangays across its component cities and municipalities, Barangay Senonogan ranks 309th by 2020 population. Northern Samar is classified as a 2nd 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.