Barangay Decoliat

Barangay Decoliat forms part of Maria Aurora, a municipality in Aurora, and is classified as a very small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Decoliat had a population of 486. This made it the 37th largest of 40 barangays in Maria Aurora by population, placing it among the smaller barangays of the municipality. Residents of Barangay Decoliat accounted for approximately 1.08% of the total population of Maria Aurora, which stood at 44,958 in the same census year.

The barangay recorded 472 residents in the 2015 intercensal count and 486 residents in the 2020 Census — a net change of +3.0%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Decoliat as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Maria Aurora is a municipality comprising 40 barangays, and serves as the governing unit directly responsible for local services in Barangay Decoliat, including public health, sanitation, peace and order, and civil registration. Within the wider province of Aurora, which contains 151 barangays across its component cities and municipalities, Barangay Decoliat ranks 134th by 2020 population. Aurora is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Decoliat 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.