San Emilio comprises 8 barangays with an estimated population of 10,765. 8 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 |
|---|---|---|---|
| Cabaroan (Pob.) | 1,488 | 0 | Dead zone: no towers from any source |
| Kalumsing | 1,368 | 0 | Dead zone: no towers from any source |
| Lancuas | 1,354 | 0 | Dead zone: no towers from any source |
| Matibuey | 1,424 | 0 | Dead zone: no towers from any source |
| Paltoc | 808 | 0 | Dead zone: no towers from any source |
| San Miliano | 1,471 | 0 | Dead zone: no towers from any source |
| Sibsibbu | 829 | 0 | Dead zone: no towers from any source |
| Tiagan | 2,023 | 0 | Dead zone: no towers from any source |