Santo Niño comprises 10 barangays with an estimated population of 44,483. 9 of its barangays (90%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Ambalgan | 4,928 | 0 | Dead zone: no towers from any source |
| Guinsang-an | 3,851 | 0 | Dead zone: no towers from any source |
| Katipunan | 4,303 | 0 | Dead zone: no towers from any source |
| Manuel Roxas | 6,073 | 0 | Dead zone: no towers from any source |
| Panay | 3,908 | 0 | Dead zone: no towers from any source |
| Poblacion | 11,158 | 0 | Dead zone: no towers from any source |
| Sajaneba | 1,455 | 0 | Dead zone: no towers from any source |
| San Isidro | 3,531 | 0 | Dead zone: no towers from any source |
| San Vicente | 3,525 | 0 | Dead zone: no towers from any source |
| Teresita | 1,751 | 1 | Crowdsourced signal only (no registered tower) |