Barangay San Isidro

Classified as a large barangay, Barangay San Isidro is one of the administrative divisions of City of Koronadal in South Cotabato, SOCCSKSARGEN, Philippines.

According to the 2020 Philippine census, Barangay San Isidro had a population of 8,421. This made it the 9th largest of 27 barangays in City of Koronadal by population, placing it in the upper half of the city. Residents of Barangay San Isidro accounted for approximately 4.31% of the total population of City of Koronadal, which stood at 195,398 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Isidro changed from 7,198 to 8,421, a shift of +17.0% over the five-year period. This places the barangay among those with growing populations in City of Koronadal. Barangay San Isidro is officially classified as urban, reflecting the density and built-up character of the area.

City of Koronadal is a city comprising 27 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 South Cotabato, which contains 225 barangays across its component cities and municipalities, Barangay San Isidro ranks 23rd by 2020 population. South Cotabato 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.