Barangay Isca

Classified as a small barangay, Barangay Isca is one of the administrative divisions of Gonzaga in Cagayan, Cagayan Valley, Philippines.

According to the 2020 Philippine census, Barangay Isca had a population of 1,529. This made it the 13th largest of 25 barangays in Gonzaga by population, placing it in the middle tier of the municipality. Residents of Barangay Isca accounted for approximately 3.67% of the total population of Gonzaga, which stood at 41,680 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Isca moving from 1,327 residents to 1,529 residents, an intercensal change of +15.2%. The trajectory indicates a growing community. Barangay Isca is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Gonzaga is a municipality comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Isca, 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 Isca ranks 299th 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.