Barangay Jamislagan

Barangay Jamislagan forms part of City of Sorsogon, a city in Sorsogon, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Jamislagan had a population of 604. This made it the 60th largest of 64 barangays in City of Sorsogon by population, placing it among the smaller barangays of the city. Residents of Barangay Jamislagan accounted for approximately 0.33% of the total population of City of Sorsogon, which stood at 182,237 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Jamislagan changed from 565 to 604, a shift of +6.9% over the five-year period. This places the barangay among those with growing populations in City of Sorsogon. Barangay Jamislagan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Sorsogon is a city comprising 64 barangays, and serves as the governing unit directly responsible for local services in Barangay Jamislagan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Sorsogon, which contains 541 barangays across its component cities and municipalities, Barangay Jamislagan ranks 457th by 2020 population. Sorsogon is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Jamislagan 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.