Barangay Umalag

Situated in San Miguel, Surigao Del Sur, Barangay Umalag is one of 18 barangays that make up the municipality within Caraga.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Umalag had a population of 1,391. This made it the 14th largest of 18 barangays in San Miguel by population, placing it among the smaller barangays of the municipality. Residents of Barangay Umalag accounted for approximately 3.33% of the total population of San Miguel, which stood at 41,809 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Umalag moving from 1,070 residents to 1,391 residents, an intercensal change of +30.0%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Umalag as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Miguel is a municipality comprising 18 barangays, and serves as the governing unit directly responsible for local services in Barangay Umalag, including public health, sanitation, peace and order, and civil registration. Within the wider province of Surigao Del Sur, which contains 309 barangays across its component cities and municipalities, Barangay Umalag ranks 162nd by 2020 population. Surigao Del Sur is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Umalag 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.