Barangay Nalasin

Barangay Nalasin forms part of Solsona, a municipality in Ilocos Norte, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Nalasin had a population of 735. This made it the 17th largest of 22 barangays in Solsona by population, placing it among the smaller barangays of the municipality. Residents of Barangay Nalasin accounted for approximately 2.96% of the total population of Solsona, which stood at 24,851 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Nalasin changed from 685 to 735, a shift of +7.3% over the five-year period. This places the barangay among those with growing populations in Solsona. Barangay Nalasin is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Solsona is a municipality comprising 22 barangays, and serves as the governing unit directly responsible for local services in Barangay Nalasin, 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 Nalasin ranks 397th 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.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.