According to the 2020 census, it has a population of 57,811 people.

Asingan is politically subdivided into 21 barangays.

Poverty incidence of Asingan Source: Philippine Statistics Authority[10][11][12][13][14][15][16][17] Asingan, belonging to the sixth congressional district of the province of Pangasinan, is governed by a mayor designated as its local chief executive and by a municipal council as its legislative body in accordance with the Local Government Code.

The mayor, vice mayor, and the councilors are elected directly by the people through an election which is being held every three years.

The composition of the Municipal Government of Asingan as of June 30, 2022[18] (6th District) On April 13, 2024, Mayor Carlos Lopez Jr. led the town's annual "Kankanen Festival" with the 21 barangays serving 464 bilaos of rice cakes made from glutinous rice.