Barangay Sinilian 1st

Situated in Camiling, Tarlac, Barangay Sinilian 1st is one of 61 barangays that make up the municipality within Central Luzon.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Sinilian 1st had a population of 1,355. This made it the 21st largest of 61 barangays in Camiling by population, placing it in the middle tier of the municipality. Residents of Barangay Sinilian 1st accounted for approximately 1.55% of the total population of Camiling, which stood at 87,319 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Sinilian 1st moving from 1,319 residents to 1,355 residents, an intercensal change of +2.7%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Sinilian 1st as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Camiling is a municipality comprising 61 barangays, and serves as the governing unit directly responsible for local services in Barangay Sinilian 1st, including public health, sanitation, peace and order, and civil registration. Within the wider province of Tarlac, which contains 511 barangays across its component cities and municipalities, Barangay Sinilian 1st ranks 363rd by 2020 population. Tarlac 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.