Barangay Maddiangat

Classified as a mid-sized barangay, Barangay Maddiangat is one of the administrative divisions of Quezon in Nueva Vizcaya, Cagayan Valley, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Maddiangat had a population of 2,426. This made it the 3rd largest of 12 barangays in Quezon by population, placing it in the upper half of the municipality. Residents of Barangay Maddiangat accounted for approximately 10.09% of the total population of Quezon, which stood at 24,055 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Maddiangat changed from 2,353 to 2,426, a shift of +3.1% over the five-year period. This places the barangay among those with growing populations in Quezon. The Philippine Statistics Authority classifies Barangay Maddiangat as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Quezon is a municipality comprising 12 barangays, and serves as the governing unit directly responsible for local services in Barangay Maddiangat, including public health, sanitation, peace and order, and civil registration. Within the wider province of Nueva Vizcaya, which contains 275 barangays across its component cities and municipalities, Barangay Maddiangat ranks 64th by 2020 population. Nueva Vizcaya is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Maddiangat 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.