Barangay Doña Concha

Barangay Doña Concha forms part of Roxas, a municipality in Isabela, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Doña Concha had a population of 730. This made it the 26th largest of 26 barangays in Roxas by population, placing it among the smaller barangays of the municipality. Residents of Barangay Doña Concha accounted for approximately 1.11% of the total population of Roxas, which stood at 65,839 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Doña Concha moving from 661 residents to 730 residents, an intercensal change of +10.4%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Doña Concha as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Roxas is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Doña Concha, including public health, sanitation, peace and order, and civil registration. Within the wider province of Isabela, which contains 1,055 barangays across its component cities and municipalities, Barangay Doña Concha ranks 811th by 2020 population. Isabela 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.