Barangay Ambonao

Barangay Ambonao forms part of Calasiao, a municipality in Pangasinan, and is classified as a large barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Ambonao had a population of 6,879. This made it the 4th largest of 24 barangays in Calasiao by population, placing it in the upper half of the municipality. Residents of Barangay Ambonao accounted for approximately 6.85% of the total population of Calasiao, which stood at 100,471 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Ambonao changed from 6,209 to 6,879, a shift of +10.8% over the five-year period. This places the barangay among those with growing populations in Calasiao. The Philippine Statistics Authority classifies Barangay Ambonao as urban, reflecting the density and built-up character of the area.

Calasiao is a municipality comprising 24 barangays, and serves as the governing unit directly responsible for local services in Barangay Ambonao, including public health, sanitation, peace and order, and civil registration. Within the wider province of Pangasinan, which contains 1,364 barangays across its component cities and municipalities, Barangay Ambonao ranks 28th by 2020 population. Pangasinan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Ambonao 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.