Barangay San Isidro

Classified as a mid-sized barangay, Barangay San Isidro is one of the administrative divisions of Concepcion in Tarlac, Central Luzon, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Isidro had a population of 3,252. This made it the 24th largest of 45 barangays in Concepcion by population, placing it in the middle tier of the municipality. Residents of Barangay San Isidro accounted for approximately 1.91% of the total population of Concepcion, which stood at 169,953 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Isidro changed from 2,950 to 3,252, a shift of +10.2% over the five-year period. This places the barangay among those with growing populations in Concepcion. The Philippine Statistics Authority classifies Barangay San Isidro as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Concepcion is a municipality comprising 45 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 Tarlac, which contains 511 barangays across its component cities and municipalities, Barangay San Isidro ranks 134th by 2020 population. Tarlac 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.