Barangay Sumandig

Situated in San Ildefonso, Bulacan, Barangay Sumandig is one of 36 barangays that make up the municipality within Central Luzon.

According to the 2020 Philippine census, Barangay Sumandig had a population of 2,407. This made it the 23rd largest of 36 barangays in San Ildefonso by population, placing it in the middle tier of the municipality. Residents of Barangay Sumandig accounted for approximately 2.08% of the total population of San Ildefonso, which stood at 115,713 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Sumandig moving from 2,257 residents to 2,407 residents, an intercensal change of +6.6%. The trajectory indicates a growing community. Barangay Sumandig is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Ildefonso is a municipality comprising 36 barangays, and serves as the governing unit directly responsible for local services in Barangay Sumandig, including public health, sanitation, peace and order, and civil registration. Within the wider province of Bulacan, which contains 569 barangays across its component cities and municipalities, Barangay Sumandig ranks 439th by 2020 population. Bulacan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Sumandig is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.