Barangay Sumalili

Barangay Sumalili forms part of Arakan, a municipality in Cotabato, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Sumalili had a population of 732. This made it the 28th largest of 28 barangays in Arakan by population, placing it among the smaller barangays of the municipality. Residents of Barangay Sumalili accounted for approximately 1.45% of the total population of Arakan, which stood at 50,558 in the same census year.

The barangay recorded 630 residents in the 2015 intercensal count and 732 residents in the 2020 Census — a net change of +16.2%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Sumalili as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Arakan is a municipality comprising 28 barangays, and serves as the governing unit directly responsible for local services in Barangay Sumalili, including public health, sanitation, peace and order, and civil registration. Within the wider province of Cotabato, which contains 543 barangays across its component cities and municipalities, Barangay Sumalili ranks 464th by 2020 population. Cotabato 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 Sumalili 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.