Barangay Bgy. 57 - Dap-dap

Classified as a mid-sized barangay, Barangay Bgy. 57 - Dap-dap is one of the administrative divisions of City of Legazpi in Albay, Bicol Region, Philippines.

According to the 2020 Philippine census, Barangay Bgy. 57 - Dap-dap had a population of 3,146. This made it the 24th largest of 70 barangays in City of Legazpi by population, placing it in the middle tier of the city. Residents of Barangay Bgy. 57 - Dap-dap accounted for approximately 1.50% of the total population of City of Legazpi, which stood at 209,533 in the same census year.

The barangay recorded 2,287 residents in the 2015 intercensal count and 3,146 residents in the 2020 Census — a net change of +37.6%, consistent with a growing settlement. Barangay Bgy. 57 - Dap-dap is officially classified as urban, reflecting the density and built-up character of the area.

City of Legazpi is a city comprising 70 barangays, and serves as the governing unit directly responsible for local services in Barangay Bgy. 57 - Dap-dap, including public health, sanitation, peace and order, and civil registration. Within the wider province of Albay, which contains 720 barangays across its component cities and municipalities, Barangay Bgy. 57 - Dap-dap ranks 121st by 2020 population. Albay 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.