Barangay Santa Maria

Barangay Santa Maria forms part of Mapandan, a municipality in Pangasinan, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Santa Maria had a population of 1,270. This made it the 14th largest of 15 barangays in Mapandan by population, placing it among the smaller barangays of the municipality. Residents of Barangay Santa Maria accounted for approximately 3.34% of the total population of Mapandan, which stood at 38,058 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santa Maria moving from 1,305 residents to 1,270 residents, an intercensal change of -2.7%. The trajectory indicates a contracting community. Barangay Santa Maria is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Mapandan is a municipality comprising 15 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Maria, including public health, sanitation, peace and order, and civil registration. Within the wider province of Pangasinan, which contains 1,364 barangays across its component cities and municipalities, Barangay Santa Maria ranks 1024th by 2020 population. Pangasinan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.