Barangay Madadamian

Barangay Madadamian is a small barangay in the municipality of Echague, located in the province of Isabela, in the Cagayan Valley region of the Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Madadamian had a population of 962. This made it the 44th largest of 64 barangays in Echague by population, placing it in the middle tier of the municipality. Residents of Barangay Madadamian accounted for approximately 1.09% of the total population of Echague, which stood at 88,410 in the same census year.

The barangay recorded 888 residents in the 2015 intercensal count and 962 residents in the 2020 Census — a net change of +8.3%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Madadamian as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Echague is a municipality comprising 64 barangays, and serves as the governing unit directly responsible for local services in Barangay Madadamian, including public health, sanitation, peace and order, and civil registration. Within the wider province of Isabela, which contains 1,055 barangays across its component cities and municipalities, Barangay Madadamian ranks 672nd by 2020 population. Isabela is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Madadamian 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.