Barangay Radiwan

Classified as a very small barangay, Barangay Radiwan is one of the administrative divisions of Ivana in Batanes, Cagayan Valley, Philippines.

According to the 2020 Philippine census, Barangay Radiwan had a population of 389. This made it the 1st largest of 4 barangays in Ivana by population, placing it among the most populous barangays of the municipality. Residents of Barangay Radiwan accounted for approximately 27.65% of the total population of Ivana, which stood at 1,407 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Radiwan moving from 365 residents to 389 residents, an intercensal change of +6.6%. The trajectory indicates a growing community. Barangay Radiwan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Ivana is a municipality comprising 4 barangays, and serves as the governing unit directly responsible for local services in Barangay Radiwan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batanes, which contains 29 barangays across its component cities and municipalities, Barangay Radiwan ranks 17th by 2020 population. Batanes is classified as a 5th by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Radiwan is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.