Barangay Union

Classified as a small barangay, Barangay Union is one of the administrative divisions of Claveria in Cagayan, Cagayan Valley, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Union had a population of 746. This made it the 16th largest of 41 barangays in Claveria by population, placing it in the middle tier of the municipality. Residents of Barangay Union accounted for approximately 2.34% of the total population of Claveria, which stood at 31,900 in the same census year.

The barangay recorded 642 residents in the 2015 intercensal count and 746 residents in the 2020 Census — a net change of +16.2%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Union as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Claveria is a municipality comprising 41 barangays, and serves as the governing unit directly responsible for local services in Barangay Union, including public health, sanitation, peace and order, and civil registration. Within the wider province of Cagayan, which contains 820 barangays across its component cities and municipalities, Barangay Union ranks 642nd by 2020 population. Cagayan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay 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.