Guimaras has 98 barangays across 5 municipalities. 78 barangays (80%) are connectivity dead zones.
| Municipality | Barangays | Dead zones |
|---|---|---|
| Buenavista | 36 | 31 (86%) |
| Jordan (Capital) | 14 | 5 (36%) |
| Nueva Valencia | 22 | 18 (82%) |
| San Lorenzo | 12 | 12 (100%) |
| Sibunag | 14 | 12 (86%) |