Barangay Ilijan

Barangay Ilijan forms part of Corcuera, a municipality in Romblon, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Ilijan had a population of 788. This made it the 4th largest of 15 barangays in Corcuera by population, placing it in the upper half of the municipality. Residents of Barangay Ilijan accounted for approximately 7.79% of the total population of Corcuera, which stood at 10,112 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Ilijan moving from 848 residents to 788 residents, an intercensal change of -7.1%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay Ilijan as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Corcuera is a municipality comprising 15 barangays, and serves as the governing unit directly responsible for local services in Barangay Ilijan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Romblon, which contains 219 barangays across its component cities and municipalities, Barangay Ilijan ranks 160th by 2020 population. Romblon is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Ilijan 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.