Barangay Poblacion I (Pob.)

Classified as a small barangay, Barangay Poblacion I (Pob.) is one of the administrative divisions of Nagcarlan in Laguna, CALABARZON, Philippines.

According to the 2020 Philippine census, Barangay Poblacion I (Pob.) had a population of 1,545. This made it the 16th largest of 52 barangays in Nagcarlan by population, placing it in the upper half of the municipality. Residents of Barangay Poblacion I (Pob.) accounted for approximately 2.38% of the total population of Nagcarlan, which stood at 64,866 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Poblacion I (Pob.) moving from 1,749 residents to 1,545 residents, an intercensal change of -11.7%. The trajectory indicates a contracting community. Barangay Poblacion I (Pob.) is officially classified as urban, reflecting the density and built-up character of the area.

Nagcarlan is a municipality comprising 52 barangays, and serves as the governing unit directly responsible for local services in Barangay Poblacion I (Pob.), 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 Poblacion I (Pob.) ranks 407th 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.

Barangay Poblacion I (Pob.) 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.