Barangay Tanawan

Barangay Tanawan forms part of Bustos, a municipality in Bulacan, and is classified as a mid-sized barangay.

According to the 2020 Philippine census, Barangay Tanawan had a population of 2,731. This made it the 12th largest of 14 barangays in Bustos by population, placing it among the smaller barangays of the municipality. Residents of Barangay Tanawan accounted for approximately 3.54% of the total population of Bustos, which stood at 77,199 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Tanawan changed from 2,862 to 2,731, a shift of -4.6% over the five-year period. This places the barangay among those with contracting populations in Bustos. Barangay Tanawan is officially classified as urban, reflecting the density and built-up character of the area.

Bustos is a municipality comprising 14 barangays, and serves as the governing unit directly responsible for local services in Barangay Tanawan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Bulacan, which contains 569 barangays across its component cities and municipalities, Barangay Tanawan ranks 408th by 2020 population. Bulacan 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 Tanawan 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.