Barangay Tamoso

Classified as a small barangay, Barangay Tamoso is one of the administrative divisions of City of Borongan in Eastern Samar, Eastern Visayas, Philippines.

According to the 2020 Philippine census, Barangay Tamoso had a population of 937. This made it the 28th largest of 61 barangays in City of Borongan by population, placing it in the middle tier of the city. Residents of Barangay Tamoso accounted for approximately 1.30% of the total population of City of Borongan, which stood at 71,961 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Tamoso moving from 878 residents to 937 residents, an intercensal change of +6.7%. The trajectory indicates a growing community. Barangay Tamoso is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Borongan is a city comprising 61 barangays, and serves as the governing unit directly responsible for local services in Barangay Tamoso, including public health, sanitation, peace and order, and civil registration. Within the wider province of Eastern Samar, which contains 597 barangays across its component cities and municipalities, Barangay Tamoso ranks 167th by 2020 population. Eastern Samar is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Tamoso is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.