San Isidro is divided into 13 barangays, namely:
- Dacudao
- Datu Balong
- Igangon
- Kipalili
- Libuton
- Linao
- Mamangan
- Monte Dujali
- Pinamuno
- Sabangan
- San Miguel
- Santo Niño
- Sawata
OFFICIALS
Mayor: Arnel H. Sitoy
Vice-Mayor: Baltazar L. Cuyos
Municipal Council Members:
- Daisy L. Magpayo
- Jaylen G. Uraca
- Floriano N. Belila
- Nancy R. Sitoy
- Rony C. Cirilo
- Jacinissa C. Binasbas
- Timojino C. Lamsin
- Raul R. Rosario
WEBSITE
No website