Barangay Zone 1 (Pob.)

Barangay Zone 1 (Pob.) is a mid-sized barangay in the municipality of Atimonan, located in the province of Quezon, in the CALABARZON region of the Philippines.

According to the 2020 Philippine census, Barangay Zone 1 (Pob.) had a population of 3,291. This made it the 3rd largest of 42 barangays in Atimonan by population, placing it among the most populous barangays of the municipality. Residents of Barangay Zone 1 (Pob.) accounted for approximately 5.12% of the total population of Atimonan, which stood at 64,260 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Zone 1 (Pob.) changed from 3,734 to 3,291, a shift of -11.9% over the five-year period. This places the barangay among those with contracting populations in Atimonan. Barangay Zone 1 (Pob.) is officially classified as urban, reflecting the density and built-up character of the area.

Atimonan is a municipality comprising 42 barangays, and serves as the governing unit directly responsible for local services in Barangay Zone 1 (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 Zone 1 (Pob.) ranks 143rd 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 Zone 1 (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.