Barangay San Isidro

Situated in Enrique B. Magalona, Negros Occidental, Barangay San Isidro is one of 23 barangays that make up the municipality within Western Visayas.

According to the 2020 Philippine census, Barangay San Isidro had a population of 3,288. This made it the 6th largest of 23 barangays in Enrique B. Magalona by population, placing it in the upper half of the municipality. Residents of Barangay San Isidro accounted for approximately 5.11% 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 San Isidro moving from 3,799 residents to 3,288 residents, an intercensal change of -13.5%. The trajectory indicates a contracting community. Barangay San Isidro is officially classified 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 San Isidro, 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 San Isidro ranks 308th 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.