Barangay San Isidro (Pob.)

Classified as a mid-sized barangay, Barangay San Isidro (Pob.) is one of the administrative divisions of La Paz in Tarlac, Central Luzon, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Isidro (Pob.) had a population of 3,615. This made it the 7th largest of 21 barangays in La Paz by population, placing it in the upper half of the municipality. Residents of Barangay San Isidro (Pob.) accounted for approximately 5.24% of the total population of La Paz, which stood at 68,952 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Isidro (Pob.) moving from 3,482 residents to 3,615 residents, an intercensal change of +3.8%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay San Isidro (Pob.) as urban, reflecting the density and built-up character of the area.

La Paz is a municipality comprising 21 barangays, and serves as the governing unit directly responsible for local services in Barangay San Isidro (Pob.), 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 (Pob.) ranks 112th 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.