Jomalig comprises 5 barangays with an estimated population of 7,961. 5 of its barangays (100%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Apad | 1,273 | 0 | Dead zone: no towers from any source |
| Bukal | 1,371 | 0 | Dead zone: no towers from any source |
| Casuguran | 1,265 | 0 | Dead zone: no towers from any source |
| Gango | 747 | 0 | Dead zone: no towers from any source |
| Talisoy (Pob.) | 3,305 | 0 | Dead zone: no towers from any source |