Barangay San Juan

Situated in Ballesteros, Cagayan, Barangay San Juan is one of 19 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 San Juan had a population of 1,258. This made it the 14th largest of 19 barangays in Ballesteros by population, placing it in the middle tier of the municipality. Residents of Barangay San Juan accounted for approximately 3.65% of the total population of Ballesteros, which stood at 34,488 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Juan moving from 1,447 residents to 1,258 residents, an intercensal change of -13.1%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay San Juan as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Ballesteros is a municipality comprising 19 barangays, and serves as the governing unit directly responsible for local services in Barangay San Juan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Cagayan, which contains 820 barangays across its component cities and municipalities, Barangay San Juan ranks 392nd by 2020 population. Cagayan 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.