Barangay Colupan Bajo

Classified as a small barangay, Barangay Colupan Bajo is one of the administrative divisions of Sinacaban in Misamis Occidental, Northern Mindanao, Philippines.

According to the 2020 Philippine census, Barangay Colupan Bajo had a population of 1,457. This made it the 4th largest of 17 barangays in Sinacaban by population, placing it in the upper half of the municipality. Residents of Barangay Colupan Bajo accounted for approximately 7.41% of the total population of Sinacaban, which stood at 19,671 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Colupan Bajo changed from 1,377 to 1,457, a shift of +5.8% over the five-year period. This places the barangay among those with growing populations in Sinacaban. Barangay Colupan Bajo is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Sinacaban is a municipality comprising 17 barangays, and serves as the governing unit directly responsible for local services in Barangay Colupan Bajo, including public health, sanitation, peace and order, and civil registration. Within the wider province of Misamis Occidental, which contains 490 barangays across its component cities and municipalities, Barangay Colupan Bajo ranks 127th by 2020 population. Misamis Occidental is classified as a 2nd 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.