Barangay Cadanglaan

Barangay Cadanglaan forms part of Magsingal, a municipality in Ilocos Sur, and is classified as a very small barangay.

According to the 2020 Philippine census, Barangay Cadanglaan had a population of 204. This made it the 30th largest of 30 barangays in Magsingal by population, placing it among the smaller barangays of the municipality. Residents of Barangay Cadanglaan accounted for approximately 0.65% of the total population of Magsingal, which stood at 31,308 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Cadanglaan changed from 191 to 204, a shift of +6.8% over the five-year period. This places the barangay among those with growing populations in Magsingal. Barangay Cadanglaan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Magsingal is a municipality comprising 30 barangays, and serves as the governing unit directly responsible for local services in Barangay Cadanglaan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Sur, which contains 768 barangays across its component cities and municipalities, Barangay Cadanglaan ranks 751st by 2020 population. Ilocos Sur 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 Cadanglaan 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.