Barangay Isla

Barangay Isla forms part of City of San Carlos, a city in Pangasinan, and is classified as a mid-sized barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Isla had a population of 2,901. This made it the 26th largest of 86 barangays in City of San Carlos by population, placing it in the upper half of the city. Residents of Barangay Isla accounted for approximately 1.41% of the total population of City of San Carlos, which stood at 205,424 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Isla moving from 2,520 residents to 2,901 residents, an intercensal change of +15.1%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Isla as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of San Carlos is a city comprising 86 barangays, and serves as the governing unit directly responsible for local services in Barangay Isla, including public health, sanitation, peace and order, and civil registration. Within the wider province of Pangasinan, which contains 1,364 barangays across its component cities and municipalities, Barangay Isla ranks 336th by 2020 population. Pangasinan 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 Isla 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.