Barangay Iriron

Barangay Iriron forms part of Calintaan, a municipality in Occidental Mindoro, and is classified as a mid-sized barangay.

According to the 2020 Philippine census, Barangay Iriron had a population of 4,613. This made it the 3rd largest of 7 barangays in Calintaan by population, placing it in the upper half of the municipality. Residents of Barangay Iriron accounted for approximately 15.28% of the total population of Calintaan, which stood at 30,190 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Iriron changed from 3,934 to 4,613, a shift of +17.3% over the five-year period. This places the barangay among those with growing populations in Calintaan. Barangay Iriron is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Calintaan is a municipality comprising 7 barangays, and serves as the governing unit directly responsible for local services in Barangay Iriron, including public health, sanitation, peace and order, and civil registration. Within the wider province of Occidental Mindoro, which contains 164 barangays across its component cities and municipalities, Barangay Iriron ranks 31st by 2020 population. Occidental Mindoro is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Iriron 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.