Barangay Calumpit

Situated in Lobo, Batangas, Barangay Calumpit is one of 26 barangays that make up the municipality within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Calumpit had a population of 704. This made it the 22nd largest of 26 barangays in Lobo by population, placing it among the smaller barangays of the municipality. Residents of Barangay Calumpit accounted for approximately 1.73% of the total population of Lobo, which stood at 40,736 in the same census year.

The barangay recorded 819 residents in the 2015 intercensal count and 704 residents in the 2020 Census — a net change of -14.0%, consistent with a contracting settlement. The Philippine Statistics Authority classifies Barangay Calumpit as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Lobo is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Calumpit, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batangas, which contains 1,078 barangays across its component cities and municipalities, Barangay Calumpit ranks 973rd by 2020 population. Batangas is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Calumpit 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.