Barangay San Juan

Situated in Lal-Lo, Cagayan, Barangay San Juan is one of 35 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 795. This made it the 29th largest of 35 barangays in Lal-Lo by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Juan accounted for approximately 1.63% of the total population of Lal-Lo, which stood at 48,733 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Juan moving from 785 residents to 795 residents, an intercensal change of +1.3%. The trajectory indicates a slowly expanding 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.

Lal-Lo is a municipality comprising 35 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 610th 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.

Barangay San Juan is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.