Barangay Nangca

Situated in Rizal, Zamboanga Del Norte, Barangay Nangca is one of 22 barangays that make up the municipality within Zamboanga Peninsula.

According to the 2020 Philippine census, Barangay Nangca had a population of 794. This made it the 6th largest of 22 barangays in Rizal by population, placing it in the upper half of the municipality. Residents of Barangay Nangca accounted for approximately 5.28% of the total population of Rizal, which stood at 15,052 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Nangca moving from 682 residents to 794 residents, an intercensal change of +16.4%. The trajectory indicates a growing community. Barangay Nangca is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Rizal is a municipality comprising 22 barangays, and serves as the governing unit directly responsible for local services in Barangay Nangca, including public health, sanitation, peace and order, and civil registration. Within the wider province of Zamboanga Del Norte, which contains 691 barangays across its component cities and municipalities, Barangay Nangca ranks 476th by 2020 population. Zamboanga Del Norte 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.