Barangay Sinapaoan

Situated in Santa Fe, Nueva Vizcaya, Barangay Sinapaoan is one of 16 barangays that make up the municipality within Cagayan Valley.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Sinapaoan had a population of 1,172. This made it the 9th largest of 16 barangays in Santa Fe by population, placing it in the middle tier of the municipality. Residents of Barangay Sinapaoan accounted for approximately 6.41% of the total population of Santa Fe, which stood at 18,276 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Sinapaoan moving from 1,087 residents to 1,172 residents, an intercensal change of +7.8%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Sinapaoan as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santa Fe is a municipality comprising 16 barangays, and serves as the governing unit directly responsible for local services in Barangay Sinapaoan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Nueva Vizcaya, which contains 275 barangays across its component cities and municipalities, Barangay Sinapaoan ranks 178th by 2020 population. Nueva Vizcaya is classified as a 2nd 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.