Barangay Tadlong

Classified as a mid-sized barangay, Barangay Tadlong is one of the administrative divisions of City of Sagay in Negros Occidental, Western Visayas, Philippines.

According to the 2020 Philippine census, Barangay Tadlong had a population of 3,143. This made it the 20th largest of 25 barangays in City of Sagay by population, placing it among the smaller barangays of the city. Residents of Barangay Tadlong accounted for approximately 2.11% of the total population of City of Sagay, which stood at 148,894 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Tadlong moving from 3,389 residents to 3,143 residents, an intercensal change of -7.3%. The trajectory indicates a contracting community. Barangay Tadlong is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Sagay is a city comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Tadlong, including public health, sanitation, peace and order, and civil registration. Within the wider province of Negros Occidental, which contains 662 barangays across its component cities and municipalities, Barangay Tadlong ranks 324th by 2020 population. Negros Occidental 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.