Barangay San Isidro

Classified as a very small barangay, Barangay San Isidro is one of the administrative divisions of Dueñas in Iloilo, Western Visayas, Philippines.

According to the 2020 Philippine census, Barangay San Isidro had a population of 486. This made it the 38th largest of 47 barangays in Dueñas by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Isidro accounted for approximately 1.40% of the total population of Dueñas, which stood at 34,597 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Isidro moving from 532 residents to 486 residents, an intercensal change of -8.6%. 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.

Dueñas is a municipality comprising 47 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 Iloilo, which contains 1,901 barangays across its component cities and municipalities, Barangay San Isidro ranks 1331st by 2020 population. Iloilo is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay San Isidro is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.