1st district
Barangays: Baikingon, Balulang, Bayabas, Bayanga, Besigan, Bonbon, Bulua, Canitoan, Carmen, Dansolihon, Iponan, Kauswagan, Lumbia, Mambuaya, Pagalungan, Pagatpat, Patag, Pigsag-an, San Simon, Taglimao, Tagpangi, Tignapoloan, Tuburan, Tumpagon—with a population of 290,913 (as of 2010 Census of Population in the Philippines).
2nd district
Barangays: Agusan, Balubal, Bugo, Camaman-an, Consolacion, Cugman, F.S. Catanico, Gusa, Indahag, Lapasan, Macabalan, Macasandig, Nazareth, Puerto, Puntod, Tablon, and the city proper barangays of Barangay 1 to 40 (Poblacion)—with a population of 311,175 (as of 2010 Census of Population in the Philippines).