Barangay San Antonio Ugad

Classified as a small barangay, Barangay San Antonio Ugad is one of the administrative divisions of Echague in Isabela, Cagayan Valley, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Antonio Ugad had a population of 707. This made it the 54th largest of 64 barangays in Echague by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Antonio Ugad accounted for approximately 0.80% of the total population of Echague, which stood at 88,410 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Antonio Ugad moving from 618 residents to 707 residents, an intercensal change of +14.4%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay San Antonio Ugad as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Echague is a municipality comprising 64 barangays, and serves as the governing unit directly responsible for local services in Barangay San Antonio Ugad, including public health, sanitation, peace and order, and civil registration. Within the wider province of Isabela, which contains 1,055 barangays across its component cities and municipalities, Barangay San Antonio Ugad ranks 821st by 2020 population. Isabela 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.