Barangay Bgy. No. 52-A, San Mateo

Barangay Bgy. No. 52-A, San Mateo forms part of City of Laoag, a city in Ilocos Norte, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Bgy. No. 52-A, San Mateo had a population of 582. This made it the 79th largest of 80 barangays in City of Laoag by population, placing it among the smaller barangays of the city. Residents of Barangay Bgy. No. 52-A, San Mateo accounted for approximately 0.52% of the total population of City of Laoag, which stood at 111,651 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Bgy. No. 52-A, San Mateo moving from 629 residents to 582 residents, an intercensal change of -7.5%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay Bgy. No. 52-A, San Mateo as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Laoag is a city comprising 80 barangays, and serves as the governing unit directly responsible for local services in Barangay Bgy. No. 52-A, San Mateo, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Norte, which contains 559 barangays across its component cities and municipalities, Barangay Bgy. No. 52-A, San Mateo ranks 465th by 2020 population. Ilocos Norte is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Bgy. No. 52-A, San Mateo 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.