Barangay Nagbangi I

Barangay Nagbangi I forms part of San Remigio, a municipality in Antique, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Nagbangi I had a population of 717. This made it the 16th largest of 45 barangays in San Remigio by population, placing it in the middle tier of the municipality. Residents of Barangay Nagbangi I accounted for approximately 2.11% of the total population of San Remigio, which stood at 34,045 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Nagbangi I moving from 664 residents to 717 residents, an intercensal change of +8.0%. The trajectory indicates a growing community. Barangay Nagbangi I is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Remigio is a municipality comprising 45 barangays, and serves as the governing unit directly responsible for local services in Barangay Nagbangi I, including public health, sanitation, peace and order, and civil registration. Within the wider province of Antique, which contains 590 barangays across its component cities and municipalities, Barangay Nagbangi I ranks 317th by 2020 population. Antique is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Nagbangi I 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.