Barangay Kalumsing

Barangay Kalumsing is a small barangay in the municipality of San Emilio, located in the province of Ilocos Sur, in the Ilocos Region region of the Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Kalumsing had a population of 731. This made it the 5th largest of 8 barangays in San Emilio by population, placing it in the middle tier of the municipality. Residents of Barangay Kalumsing accounted for approximately 10.14% of the total population of San Emilio, which stood at 7,206 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Kalumsing moving from 710 residents to 731 residents, an intercensal change of +3.0%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Kalumsing as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Emilio is a municipality comprising 8 barangays, and serves as the governing unit directly responsible for local services in Barangay Kalumsing, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Sur, which contains 768 barangays across its component cities and municipalities, Barangay Kalumsing ranks 407th by 2020 population. Ilocos Sur 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.