Barangay Zone I (Pob.)

Situated in City of Koronadal, South Cotabato, Barangay Zone I (Pob.) is one of 27 barangays that make up the city within SOCCSKSARGEN.

According to the 2020 Philippine census, Barangay Zone I (Pob.) had a population of 4,125. This made it the 20th largest of 27 barangays in City of Koronadal by population, placing it among the smaller barangays of the city. Residents of Barangay Zone I (Pob.) accounted for approximately 2.11% 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 Zone I (Pob.) changed from 4,652 to 4,125, a shift of -11.3% over the five-year period. This places the barangay among those with contracting populations in City of Koronadal. Barangay Zone I (Pob.) 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 Zone I (Pob.), 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 Zone I (Pob.) ranks 82nd 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 Zone I (Pob.) 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.