Barangay La Union

Barangay La Union forms part of La Libertad, a municipality in Zamboanga Del Norte, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay La Union had a population of 683. This made it the 5th largest of 13 barangays in La Libertad by population, placing it in the middle tier of the municipality. Residents of Barangay La Union accounted for approximately 8.41% of the total population of La Libertad, which stood at 8,119 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay La Union changed from 648 to 683, a shift of +5.4% over the five-year period. This places the barangay among those with growing populations in La Libertad. The Philippine Statistics Authority classifies Barangay La Union as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

La Libertad is a municipality comprising 13 barangays, and serves as the governing unit directly responsible for local services in Barangay La Union, including public health, sanitation, peace and order, and civil registration. Within the wider province of Zamboanga Del Norte, which contains 691 barangays across its component cities and municipalities, Barangay La Union ranks 533rd by 2020 population. Zamboanga Del Norte is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay La Union 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.