Barangay San Carlos

Barangay San Carlos forms part of San Luis, a municipality in Pampanga, and is classified as a mid-sized barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Carlos had a population of 4,458. This made it the 5th largest of 17 barangays in San Luis by population, placing it in the upper half of the municipality. Residents of Barangay San Carlos accounted for approximately 7.61% of the total population of San Luis, which stood at 58,551 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Carlos moving from 3,859 residents to 4,458 residents, an intercensal change of +15.5%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay San Carlos as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Luis is a municipality comprising 17 barangays, and serves as the governing unit directly responsible for local services in Barangay San Carlos, including public health, sanitation, peace and order, and civil registration. Within the wider province of Pampanga, which contains 538 barangays across its component cities and municipalities, Barangay San Carlos ranks 172nd by 2020 population. Pampanga 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 Carlos 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.