Barangay Balballosa

Barangay Balballosa forms part of San Juan, a municipality in La Union, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Balballosa had a population of 579. This made it the 29th largest of 41 barangays in San Juan by population, placing it in the middle tier of the municipality. Residents of Barangay Balballosa accounted for approximately 1.43% of the total population of San Juan, which stood at 40,507 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Balballosa changed from 500 to 579, a shift of +15.8% over the five-year period. This places the barangay among those with growing populations in San Juan. The Philippine Statistics Authority classifies Barangay Balballosa as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Juan is a municipality comprising 41 barangays, and serves as the governing unit directly responsible for local services in Barangay Balballosa, including public health, sanitation, peace and order, and civil registration. Within the wider province of La Union, which contains 576 barangays across its component cities and municipalities, Barangay Balballosa ranks 509th by 2020 population. La Union is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Balballosa 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.