Santa Elena comprises 19 barangays with an estimated population of 38,719. 10 of its barangays (53%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Basiad | 2,226 | 0 | Dead zone: no towers from any source |
| Bulala | 1,507 | 0 | Dead zone: no towers from any source |
| Don Tomas | 1,532 | 5 | Crowdsourced signal only (no registered tower) |
| Guitol | 351 | 0 | Dead zone: no towers from any source |
| Kabuluan | 3,082 | 3 | Crowdsourced signal only (no registered tower) |
| Kagtalaba | 1,035 | 0 | Dead zone: no towers from any source |
| Maulawin | 1,675 | 0 | Dead zone: no towers from any source |
| Patag Ibaba | 640 | 0 | Dead zone: no towers from any source |
| Patag Iraya | 688 | 0 | Dead zone: no towers from any source |
| Plaridel | 1,954 | 4 | Crowdsourced signal only (no registered tower) |
| Polungguitguit | 1,609 | 0 | Dead zone: no towers from any source |
| Rizal | 4,500 | 8 | Crowdsourced signal only (no registered tower) |
| Salvacion | 540 | 0 | Dead zone: no towers from any source |
| San Lorenzo | 5,238 | 1 | Crowdsourced signal only (no registered tower) |
| San Pedro | 1,044 | 6 | Crowdsourced signal only (no registered tower) |
| San Vicente | 1,225 | 2 | Crowdsourced signal only (no registered tower) |
| Santa Elena (Pob.) | 7,293 | 12 | Crowdsourced signal only (no registered tower) |
| Tabugon | 1,977 | 7 | Crowdsourced signal only (no registered tower) |
| Villa San Isidro | 603 | 0 | Dead zone: no towers from any source |