Barangay Diodol

Situated in Aglipay, Quirino, Barangay Diodol is one of 25 barangays that make up the municipality within Cagayan Valley.

According to the 2020 Philippine census, Barangay Diodol had a population of 1,042. This made it the 14th largest of 25 barangays in Aglipay by population, placing it in the middle tier of the municipality. Residents of Barangay Diodol accounted for approximately 3.39% of the total population of Aglipay, which stood at 30,714 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Diodol moving from 891 residents to 1,042 residents, an intercensal change of +16.9%. The trajectory indicates a growing community. Barangay Diodol is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Aglipay is a municipality comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Diodol, including public health, sanitation, peace and order, and civil registration. Within the wider province of Quirino, which contains 132 barangays across its component cities and municipalities, Barangay Diodol ranks 82nd by 2020 population. Quirino is classified as a 3rd 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.