Barangay San Isidro

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

According to the 2020 Philippine census, Barangay San Isidro had a population of 14,614. This made it the 6th largest of 76 barangays in City of Tarlac by population, placing it among the most populous barangays of the city. Residents of Barangay San Isidro accounted for approximately 3.79% of the total population of City of Tarlac, which stood at 385,398 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Isidro changed from 12,555 to 14,614, a shift of +16.4% over the five-year period. This places the barangay among those with growing populations in City of Tarlac. Barangay San Isidro is officially classified as urban, reflecting the density and built-up character of the area.

City of Tarlac is a city comprising 76 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 10th 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.

Barangay San Isidro is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.