San Benito comprises 6 barangays with an estimated population of 3,324. 5 of its barangays (83%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bongdo | 724 | 0 | Dead zone: no towers from any source |
| Maribojoc | 671 | 0 | Dead zone: no towers from any source |
| Nuevo Campo | 151 | 0 | Dead zone: no towers from any source |
| San Juan | 959 | 0 | Dead zone: no towers from any source |
| Santa Cruz (Pob.) | 566 | 0 | Dead zone: no towers from any source |
| Talisay (Pob.) | 253 | 1 | Crowdsourced signal only (no registered tower) |