Barangay Nilasin 1st

Situated in Pura, Tarlac, Barangay Nilasin 1st is one of 16 barangays that make up the municipality within Central Luzon.

According to the 2020 Philippine census, Barangay Nilasin 1st had a population of 1,225. This made it the 9th largest of 16 barangays in Pura by population, placing it in the middle tier of the municipality. Residents of Barangay Nilasin 1st accounted for approximately 4.75% of the total population of Pura, which stood at 25,781 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Nilasin 1st moving from 1,040 residents to 1,225 residents, an intercensal change of +17.8%. The trajectory indicates a growing community. Barangay Nilasin 1st is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Pura is a municipality comprising 16 barangays, and serves as the governing unit directly responsible for local services in Barangay Nilasin 1st, including public health, sanitation, peace and order, and civil registration. Within the wider province of Tarlac, which contains 511 barangays across its component cities and municipalities, Barangay Nilasin 1st ranks 399th by 2020 population. Tarlac 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 Nilasin 1st 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.