Barangay Santa Ana

Classified as a small barangay, Barangay Santa Ana is one of the administrative divisions of Mabini in Batangas, CALABARZON, Philippines.

According to the 2020 Philippine census, Barangay Santa Ana had a population of 797. This made it the 31st largest of 34 barangays in Mabini by population, placing it among the smaller barangays of the municipality. Residents of Barangay Santa Ana accounted for approximately 1.57% of the total population of Mabini, which stood at 50,858 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santa Ana moving from 585 residents to 797 residents, an intercensal change of +36.2%. The trajectory indicates a growing community. Barangay Santa Ana is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Mabini is a municipality comprising 34 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Ana, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batangas, which contains 1,078 barangays across its component cities and municipalities, Barangay Santa Ana ranks 932nd by 2020 population. Batangas 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 Santa Ana 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.