Barangay Nanca

Classified as a mid-sized barangay, Barangay Nanca is one of the administrative divisions of Enrique B. Magalona in Negros Occidental, Western Visayas, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Nanca had a population of 3,405. This made it the 4th largest of 23 barangays in Enrique B. Magalona by population, placing it in the upper half of the municipality. Residents of Barangay Nanca accounted for approximately 5.30% of the total population of Enrique B. Magalona, which stood at 64,290 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Nanca moving from 2,999 residents to 3,405 residents, an intercensal change of +13.5%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Nanca as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Enrique B. Magalona is a municipality comprising 23 barangays, and serves as the governing unit directly responsible for local services in Barangay Nanca, including public health, sanitation, peace and order, and civil registration. Within the wider province of Negros Occidental, which contains 662 barangays across its component cities and municipalities, Barangay Nanca ranks 297th by 2020 population. Negros Occidental 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.