Barangay Santa Lucia

Barangay Santa Lucia forms part of Nagcarlan, a municipality in Laguna, and is classified as a mid-sized barangay.

According to the 2020 Philippine census, Barangay Santa Lucia had a population of 3,024. This made it the 4th largest of 52 barangays in Nagcarlan by population, placing it among the most populous barangays of the municipality. Residents of Barangay Santa Lucia accounted for approximately 4.66% of the total population of Nagcarlan, which stood at 64,866 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Santa Lucia changed from 2,787 to 3,024, a shift of +8.5% over the five-year period. This places the barangay among those with growing populations in Nagcarlan. Barangay Santa Lucia is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Nagcarlan is a municipality comprising 52 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Lucia, including public health, sanitation, peace and order, and civil registration. Within the wider province of Laguna, which contains 681 barangays across its component cities and municipalities, Barangay Santa Lucia ranks 280th by 2020 population. Laguna 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 Santa Lucia 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.