Barangay Casanicolasan

Barangay Casanicolasan forms part of Rosales, a municipality in Pangasinan, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Casanicolasan had a population of 1,215. This made it the 27th largest of 37 barangays in Rosales by population, placing it among the smaller barangays of the municipality. Residents of Barangay Casanicolasan accounted for approximately 1.82% of the total population of Rosales, which stood at 66,711 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Casanicolasan moving from 1,162 residents to 1,215 residents, an intercensal change of +4.6%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Casanicolasan as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Rosales is a municipality comprising 37 barangays, and serves as the governing unit directly responsible for local services in Barangay Casanicolasan, 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 Casanicolasan ranks 1053rd 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.

Like every Philippine barangay, Barangay Casanicolasan is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.