Barangay Olongtao Ibaba

Situated in Macalelon, Quezon, Barangay Olongtao Ibaba is one of 30 barangays that make up the municipality within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Olongtao Ibaba had a population of 2,240. This made it the 2nd largest of 30 barangays in Macalelon by population, placing it among the most populous barangays of the municipality. Residents of Barangay Olongtao Ibaba accounted for approximately 8.20% of the total population of Macalelon, which stood at 27,312 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Olongtao Ibaba changed from 2,161 to 2,240, a shift of +3.7% over the five-year period. This places the barangay among those with growing populations in Macalelon. The Philippine Statistics Authority classifies Barangay Olongtao Ibaba as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Macalelon is a municipality comprising 30 barangays, and serves as the governing unit directly responsible for local services in Barangay Olongtao Ibaba, 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 Olongtao Ibaba ranks 259th 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.

Barangay Olongtao Ibaba 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.