Barangay 5 (Pob.)

Barangay 5 (Pob.) is a very small barangay in the municipality of Casiguran, located in the province of Aurora, in the Central Luzon region of the Philippines.

According to the 2020 Philippine census, Barangay 5 (Pob.) had a population of 438. This made it the 20th largest of 24 barangays in Casiguran by population, placing it among the smaller barangays of the municipality. Residents of Barangay 5 (Pob.) accounted for approximately 1.65% of the total population of Casiguran, which stood at 26,564 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay 5 (Pob.) changed from 439 to 438, a shift of -0.2% over the five-year period. This places the barangay among those with broadly stable populations in Casiguran. Barangay 5 (Pob.) is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Casiguran is a municipality comprising 24 barangays, and serves as the governing unit directly responsible for local services in Barangay 5 (Pob.), including public health, sanitation, peace and order, and civil registration. Within the wider province of Aurora, which contains 151 barangays across its component cities and municipalities, Barangay 5 (Pob.) ranks 139th by 2020 population. Aurora is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay 5 (Pob.) 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.