Barangay Cawayan Interior

Barangay Cawayan Interior is a small barangay in the City of Masbate, located in the province of Masbate, in the Bicol Region region of the Philippines.

According to the 2020 Philippine census, Barangay Cawayan Interior had a population of 909. This made it the 30th largest of 30 barangays in City of Masbate by population, placing it among the smaller barangays of the city. Residents of Barangay Cawayan Interior accounted for approximately 0.87% of the total population of City of Masbate, which stood at 104,522 in the same census year.

The barangay recorded 945 residents in the 2015 intercensal count and 909 residents in the 2020 Census — a net change of -3.8%, consistent with a contracting settlement. Barangay Cawayan Interior is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Masbate is a city comprising 30 barangays, and serves as the governing unit directly responsible for local services in Barangay Cawayan Interior, including public health, sanitation, peace and order, and civil registration. Within the wider province of Masbate, which contains 550 barangays across its component cities and municipalities, Barangay Cawayan Interior ranks 402nd by 2020 population. Masbate 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.