Barangay Bislian

Barangay Bislian forms part of Polillo, a municipality in Quezon, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Bislian had a population of 1,675. This made it the 7th largest of 20 barangays in Polillo by population, placing it in the middle tier of the municipality. Residents of Barangay Bislian accounted for approximately 5.25% of the total population of Polillo, which stood at 31,908 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Bislian changed from 1,473 to 1,675, a shift of +13.7% over the five-year period. This places the barangay among those with growing populations in Polillo. The Philippine Statistics Authority classifies Barangay Bislian as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Polillo is a municipality comprising 20 barangays, and serves as the governing unit directly responsible for local services in Barangay Bislian, including public health, sanitation, peace and order, and civil registration. Within the wider province of Quezon, which contains 1,242 barangays across its component cities and municipalities, Barangay Bislian ranks 386th by 2020 population. Quezon 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.