Barangay Ilaya

Situated in Plaridel, Quezon, Barangay Ilaya is one of 9 barangays that make up the municipality within CALABARZON.

According to the 2020 Philippine census, Barangay Ilaya had a population of 893. This made it the 7th largest of 9 barangays in Plaridel by population, placing it in the middle tier of the municipality. Residents of Barangay Ilaya accounted for approximately 8.82% of the total population of Plaridel, which stood at 10,129 in the same census year.

The barangay recorded 900 residents in the 2015 intercensal count and 893 residents in the 2020 Census — a net change of -0.8%, consistent with a broadly stable settlement. Barangay Ilaya is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Plaridel is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Ilaya, including public health, sanitation, peace and order, and civil registration. Within the wider province of Quezon, which contains 1,242 barangays across its component cities and municipalities, Barangay Ilaya ranks 657th by 2020 population. Quezon is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Ilaya is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.