Barangay Alua

Barangay Alua forms part of San Isidro, a municipality in Nueva Ecija, and is classified as a large barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Alua had a population of 5,157. This made it the 7th largest of 9 barangays in San Isidro by population, placing it in the middle tier of the municipality. Residents of Barangay Alua accounted for approximately 9.48% of the total population of San Isidro, which stood at 54,372 in the same census year.

The barangay recorded 4,989 residents in the 2015 intercensal count and 5,157 residents in the 2020 Census — a net change of +3.4%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Alua as urban, reflecting the density and built-up character of the area.

San Isidro is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Alua, 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 Alua ranks 105th 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.

Barangay Alua 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.