Barangay Siembre

Barangay Siembre is a mid-sized barangay in the municipality of Bombon, located in the province of Camarines Sur, in the Bicol Region region of the Philippines.

According to the 2020 Philippine census, Barangay Siembre had a population of 2,798. This made it the 2nd largest of 8 barangays in Bombon by population, placing it in the upper half of the municipality. Residents of Barangay Siembre accounted for approximately 15.55% of the total population of Bombon, which stood at 17,995 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Siembre changed from 2,252 to 2,798, a shift of +24.2% over the five-year period. This places the barangay among those with growing populations in Bombon. Barangay Siembre is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Bombon is a municipality comprising 8 barangays, and serves as the governing unit directly responsible for local services in Barangay Siembre, including public health, sanitation, peace and order, and civil registration. Within the wider province of Camarines Sur, which contains 1,063 barangays across its component cities and municipalities, Barangay Siembre ranks 193rd by 2020 population. Camarines Sur is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Siembre 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.