Barangay Adia

Situated in Santa Maria, Laguna, Barangay Adia is one of 25 barangays that make up the municipality within CALABARZON.

According to the 2020 Philippine census, Barangay Adia had a population of 1,120. This made it the 14th largest of 25 barangays in Santa Maria by population, placing it in the middle tier of the municipality. Residents of Barangay Adia accounted for approximately 3.25% of the total population of Santa Maria, which stood at 34,511 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Adia moving from 1,140 residents to 1,120 residents, an intercensal change of -1.8%. The trajectory indicates a broadly stable community. Barangay Adia is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santa Maria is a municipality comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Adia, including public health, sanitation, peace and order, and civil registration. Within the wider province of Laguna, which contains 681 barangays across its component cities and municipalities, Barangay Adia ranks 456th by 2020 population. Laguna is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Adia 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.