Barangay Sta. Isabel

Classified as a small barangay, Barangay Sta. Isabel is one of the administrative divisions of Natonin in Mountain Province, CAR, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Sta. Isabel had a population of 705. This made it the 7th largest of 11 barangays in Natonin by population, placing it in the middle tier of the municipality. Residents of Barangay Sta. Isabel accounted for approximately 6.82% of the total population of Natonin, which stood at 10,339 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Sta. Isabel changed from 646 to 705, a shift of +9.1% over the five-year period. This places the barangay among those with growing populations in Natonin. The Philippine Statistics Authority classifies Barangay Sta. Isabel as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Natonin is a municipality comprising 11 barangays, and serves as the governing unit directly responsible for local services in Barangay Sta. Isabel, including public health, sanitation, peace and order, and civil registration. Within the wider province of Mountain Province, which contains 144 barangays across its component cities and municipalities, Barangay Sta. Isabel ranks 83rd by 2020 population. Mountain Province is classified as a 4th 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.