Barangay Carlatan

Situated in City of San Fernando, La Union, Barangay Carlatan is one of 59 barangays that make up the city within Ilocos Region.

According to the 2020 Philippine census, Barangay Carlatan had a population of 2,346. This made it the 16th largest of 59 barangays in City of San Fernando by population, placing it in the upper half of the city. Residents of Barangay Carlatan accounted for approximately 1.87% of the total population of City of San Fernando, which stood at 125,640 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Carlatan changed from 2,461 to 2,346, a shift of -4.7% over the five-year period. This places the barangay among those with contracting populations in City of San Fernando. Barangay Carlatan is officially classified as urban, reflecting the density and built-up character of the area.

City of San Fernando is a city comprising 59 barangays, and serves as the governing unit directly responsible for local services in Barangay Carlatan, 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 Carlatan ranks 72nd 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 Carlatan 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.