Barangay Poblacion I

Situated in Peñaranda, Nueva Ecija, Barangay Poblacion I is one of 10 barangays that make up the municipality within Central Luzon.

According to the 2020 Philippine census, Barangay Poblacion I had a population of 1,823. This made it the 6th largest of 10 barangays in Peñaranda by population, placing it in the middle tier of the municipality. Residents of Barangay Poblacion I accounted for approximately 5.65% of the total population of Peñaranda, which stood at 32,269 in the same census year.

The barangay recorded 1,731 residents in the 2015 intercensal count and 1,823 residents in the 2020 Census — a net change of +5.3%, consistent with a growing settlement. Barangay Poblacion I is officially classified as urban, reflecting the density and built-up character of the area.

Peñaranda is a municipality comprising 10 barangays, and serves as the governing unit directly responsible for local services in Barangay Poblacion I, including public health, sanitation, peace and order, and civil registration. Within the wider province of Nueva Ecija, which contains 849 barangays across its component cities and municipalities, Barangay Poblacion I ranks 483rd by 2020 population. Nueva Ecija is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.