Barangay Poblacion IX

Situated in City of Tanjay, Negros Oriental, Barangay Poblacion IX is one of 24 barangays that make up the city within Central Visayas.

According to the 2020 Philippine census, Barangay Poblacion IX had a population of 1,424. This made it the 21st largest of 24 barangays in City of Tanjay by population, placing it among the smaller barangays of the city. Residents of Barangay Poblacion IX accounted for approximately 1.72% of the total population of City of Tanjay, which stood at 82,642 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Poblacion IX changed from 1,590 to 1,424, a shift of -10.4% over the five-year period. This places the barangay among those with contracting populations in City of Tanjay. Barangay Poblacion IX is officially classified as urban, reflecting the density and built-up character of the area.

City of Tanjay is a city comprising 24 barangays, and serves as the governing unit directly responsible for local services in Barangay Poblacion IX, including public health, sanitation, peace and order, and civil registration. Within the wider province of Negros Oriental, which contains 557 barangays across its component cities and municipalities, Barangay Poblacion IX ranks 372nd by 2020 population. Negros Oriental is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.