Barangay San Isidro

Classified as a large barangay, Barangay San Isidro is one of the administrative divisions of Bacolor in Pampanga, Central Luzon, Philippines.

According to the 2020 Philippine census, Barangay San Isidro had a population of 6,865. This made it the 2nd largest of 21 barangays in Bacolor by population, placing it among the most populous barangays of the municipality. Residents of Barangay San Isidro accounted for approximately 14.28% of the total population of Bacolor, which stood at 48,066 in the same census year.

The barangay recorded 5,703 residents in the 2015 intercensal count and 6,865 residents in the 2020 Census — a net change of +20.4%, consistent with a growing settlement. Barangay San Isidro is officially classified as urban, reflecting the density and built-up character of the area.

Bacolor is a municipality comprising 21 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 Pampanga, which contains 538 barangays across its component cities and municipalities, Barangay San Isidro ranks 82nd by 2020 population. Pampanga 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.