Barangay Ma-aslob

Barangay Ma-aslob forms part of Calatrava, a municipality in Negros Occidental, and is classified as a mid-sized barangay.

According to the 2020 Philippine census, Barangay Ma-aslob had a population of 2,280. This made it the 10th largest of 40 barangays in Calatrava by population, placing it in the upper half of the municipality. Residents of Barangay Ma-aslob accounted for approximately 2.76% of the total population of Calatrava, which stood at 82,540 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Ma-aslob changed from 2,026 to 2,280, a shift of +12.5% over the five-year period. This places the barangay among those with growing populations in Calatrava. Barangay Ma-aslob is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Calatrava is a municipality comprising 40 barangays, and serves as the governing unit directly responsible for local services in Barangay Ma-aslob, 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 Ma-aslob ranks 415th 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.

Barangay Ma-aslob 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.