San Antonio is a barangay in the municipality of Pasacao, in the province of Camarines Sur. Its population as determined by the 2015 Census was 754. This represented 1.54% of the total population of Pasacao.

Dalupaon is a barangay in the municipality of Pasacao, in the province of Camarines Sur. Its population as determined by the 2015 Census was 4,161. This represented 8.49% of the total population of Pasacao.

Tilnac is a barangay in the municipality of Pasacao, in the province of Camarines Sur. Its population as determined by the 2015 Census was 805. This represented 1.64% of the total population of Pasacao.

Antipolo is a barangay in the municipality of Pasacao, in the province of Camarines Sur. Its population as determined by the 2015 Census was 847. This represented 1.73% of the total population of Pasacao.

Macad, formerly Hebrio Lourdes, is a barangay in the municipality of Pasacao, in the province of Camarines Sur. Its population as determined by the 2015 Census was 1,831. This represented 3.73% of the total population of Pasacao.

Caranan is a barangay in the municipality of Pasacao, in the province of Camarines Sur. Its population as determined by the 2015 Census was 8,841. This represented 18.03% of the total population of Pasacao.

Santa Rosa del Norte, formerly Poblacion, is a barangay in the municipality of Pasacao, in the province of Camarines Sur. Its population as determined by the 2015 Census was 3,710. This represented 7.57% of the total population of Pasacao.

Santa Rosa del Sur, formerly Poblacion, is a barangay in the municipality of Pasacao, in the province of Camarines Sur. Its population as determined by the 2015 Census was 3,565. This represented 7.27% of the total population of Pasacao.

San Cirilo, formerly Poblacion, is a barangay in the municipality of Pasacao, in the province of Camarines Sur. Its population as determined by the 2015 Census was 5,503. This represented 11.22% of the total population of Pasacao.