Barangay San Julian

Classified as a small barangay, Barangay San Julian is one of the administrative divisions of Abulug in Cagayan, Cagayan Valley, Philippines.

According to the 2020 Philippine census, Barangay San Julian had a population of 622. This made it the 20th largest of 20 barangays in Abulug by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Julian accounted for approximately 1.80% of the total population of Abulug, which stood at 34,579 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Julian changed from 680 to 622, a shift of -8.5% over the five-year period. This places the barangay among those with contracting populations in Abulug. Barangay San Julian is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Abulug is a municipality comprising 20 barangays, and serves as the governing unit directly responsible for local services in Barangay San Julian, 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 Julian ranks 684th 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 Julian 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.