Barangay Roma Sur

Classified as a small barangay, Barangay Roma Sur is one of the administrative divisions of Enrile in Cagayan, Cagayan Valley, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Roma Sur had a population of 1,353. This made it the 11th largest of 22 barangays in Enrile by population, placing it in the middle tier of the municipality. Residents of Barangay Roma Sur accounted for approximately 3.69% of the total population of Enrile, which stood at 36,705 in the same census year.

The barangay recorded 1,321 residents in the 2015 intercensal count and 1,353 residents in the 2020 Census — a net change of +2.4%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Roma Sur as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Enrile is a municipality comprising 22 barangays, and serves as the governing unit directly responsible for local services in Barangay Roma Sur, 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 Roma Sur ranks 360th 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.