Barangay Pagkakaisa Pob.

Barangay Pagkakaisa Pob. forms part of Perez, a municipality in Quezon, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Pagkakaisa Pob. had a population of 1,726. This made it the 2nd largest of 14 barangays in Perez by population, placing it among the most populous barangays of the municipality. Residents of Barangay Pagkakaisa Pob. accounted for approximately 13.52% of the total population of Perez, which stood at 12,767 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Pagkakaisa Pob. moving from 1,847 residents to 1,726 residents, an intercensal change of -6.6%. The trajectory indicates a contracting community. Barangay Pagkakaisa Pob. is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Perez is a municipality comprising 14 barangays, and serves as the governing unit directly responsible for local services in Barangay Pagkakaisa Pob., including public health, sanitation, peace and order, and civil registration. Within the wider province of Quezon, which contains 1,242 barangays across its component cities and municipalities, Barangay Pagkakaisa Pob. ranks 374th by 2020 population. Quezon 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 Pagkakaisa Pob. 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.