Barangay Caingin

Classified as a large barangay, Barangay Caingin is one of the administrative divisions of San Rafael in Bulacan, Central Luzon, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Caingin had a population of 10,836. This made it the 1st largest of 34 barangays in San Rafael by population, placing it among the most populous barangays of the municipality. Residents of Barangay Caingin accounted for approximately 10.51% of the total population of San Rafael, which stood at 103,097 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Caingin moving from 10,262 residents to 10,836 residents, an intercensal change of +5.6%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Caingin as urban, reflecting the density and built-up character of the area.

San Rafael is a municipality comprising 34 barangays, and serves as the governing unit directly responsible for local services in Barangay Caingin, including public health, sanitation, peace and order, and civil registration. Within the wider province of Bulacan, which contains 569 barangays across its component cities and municipalities, Barangay Caingin ranks 81st by 2020 population. Bulacan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Caingin 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.