Barangay San Rafael East

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

According to the 2020 Philippine census, Barangay San Rafael East had a population of 623. This made it the 19th largest of 20 barangays in Santa Maria by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Rafael East accounted for approximately 2.42% of the total population of Santa Maria, which stood at 25,758 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Rafael East moving from 623 residents to 623 residents, an intercensal change of 0.0%. The trajectory indicates a broadly stable community. Barangay San Rafael East is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santa Maria is a municipality comprising 20 barangays, and serves as the governing unit directly responsible for local services in Barangay San Rafael 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 San Rafael East ranks 868th 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.