Barangay Janagdong 1

Situated in Sariaya, Quezon, Barangay Janagdong 1 is one of 43 barangays that make up the municipality within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Janagdong 1 had a population of 3,935. This made it the 17th largest of 43 barangays in Sariaya by population, placing it in the middle tier of the municipality. Residents of Barangay Janagdong 1 accounted for approximately 2.43% of the total population of Sariaya, which stood at 161,868 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Janagdong 1 moving from 3,405 residents to 3,935 residents, an intercensal change of +15.6%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Janagdong 1 as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Sariaya is a municipality comprising 43 barangays, and serves as the governing unit directly responsible for local services in Barangay Janagdong 1, 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 Janagdong 1 ranks 109th 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.

Barangay Janagdong 1 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.