Barangay Dilam

Barangay Dilam forms part of Calayan, a municipality in Cagayan, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Dilam had a population of 1,804. This made it the 4th largest of 12 barangays in Calayan by population, placing it in the upper half of the municipality. Residents of Barangay Dilam accounted for approximately 10.36% of the total population of Calayan, which stood at 17,410 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Dilam moving from 1,690 residents to 1,804 residents, an intercensal change of +6.7%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Dilam as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Calayan is a municipality comprising 12 barangays, and serves as the governing unit directly responsible for local services in Barangay Dilam, including public health, sanitation, peace and order, and civil registration. Within the wider province of Cagayan, which contains 820 barangays across its component cities and municipalities, Barangay Dilam ranks 232nd by 2020 population. Cagayan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.