Barangay Sandiat East

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

According to the 2020 Philippine census, Barangay Sandiat East had a population of 1,384. This made it the 14th largest of 19 barangays in San Manuel by population, placing it in the middle tier of the municipality. Residents of Barangay Sandiat East accounted for approximately 4.06% 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 Sandiat East moving from 1,247 residents to 1,384 residents, an intercensal change of +11.0%. The trajectory indicates a growing community. Barangay Sandiat East 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 Sandiat East, 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 Sandiat East ranks 464th 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.

Barangay Sandiat East 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.