San Roque comprises 16 barangays with an estimated population of 41,760. 13 of its barangays (81%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Balnasan | 1,343 | 0 | Dead zone: no towers from any source |
| Balud | 2,188 | 0 | Dead zone: no towers from any source |
| Bantayan | 9,794 | 0 | Dead zone: no towers from any source |
| Coroconog | 2,549 | 0 | Dead zone: no towers from any source |
| Dale | 5,509 | 0 | Dead zone: no towers from any source |
| Ginagdanan | 516 | 0 | Dead zone: no towers from any source |
| Lao-angan | 929 | 0 | Dead zone: no towers from any source |
| Lawaan | 214 | 0 | Dead zone: no towers from any source |
| Malobago | 2,528 | 0 | Dead zone: no towers from any source |
| Pagsang-an | 576 | 0 | Dead zone: no towers from any source |
| Zone 1 (Pob.) | 5,835 | 1 | Crowdsourced signal only (no registered tower) |
| Zone 2 (Pob.) | 115 | 0 | Dead zone: no towers from any source |
| Zone 3 (Pob.) | 7,936 | 1 | Crowdsourced signal only (no registered tower) |
| Zone 4 (Pob.) | 220 | 1 | Crowdsourced signal only (no registered tower) |
| Zone 5 (Pob.) | 877 | 0 | Dead zone: no towers from any source |
| Zone 6 (Pob.) | 631 | 0 | Dead zone: no towers from any source |