Barangay Santa Cruz Sur

Barangay Santa Cruz Sur is a small barangay in the municipality of Badoc, located in the province of Ilocos Norte, in the Ilocos Region region of the Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santa Cruz Sur had a population of 702. This made it the 26th largest of 31 barangays in Badoc by population, placing it among the smaller barangays of the municipality. Residents of Barangay Santa Cruz Sur accounted for approximately 2.16% of the total population of Badoc, which stood at 32,530 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Santa Cruz Sur changed from 689 to 702, a shift of +1.9% over the five-year period. This places the barangay among those with slowly expanding populations in Badoc. The Philippine Statistics Authority classifies Barangay Santa Cruz Sur as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Badoc is a municipality comprising 31 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Cruz Sur, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Norte, which contains 559 barangays across its component cities and municipalities, Barangay Santa Cruz Sur ranks 418th by 2020 population. Ilocos Norte 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.