Santa Fe comprises 20 barangays with an estimated population of 21,439. 14 of its barangays (70%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Baculanad | 579 | 0 | Dead zone: no towers from any source |
| Badiangay | 380 | 1 | Crowdsourced signal only (no registered tower) |
| Bulod | 281 | 0 | Dead zone: no towers from any source |
| Catoogan | 1,974 | 0 | Dead zone: no towers from any source |
| Cutay | 906 | 0 | Dead zone: no towers from any source |
| Gapas | 691 | 0 | Dead zone: no towers from any source |
| Katipunan | 701 | 0 | Dead zone: no towers from any source |
| Milagrosa | 874 | 1 | Crowdsourced signal only (no registered tower) |
| Pilit | 3,261 | 5 | Crowdsourced signal only (no registered tower) |
| Pitogo | 448 | 0 | Dead zone: no towers from any source |
| San Isidro | 2,049 | 0 | Dead zone: no towers from any source |
| San Juan | 1,108 | 0 | Dead zone: no towers from any source |
| San Miguelay | 785 | 0 | Dead zone: no towers from any source |
| San Roque | 1,600 | 0 | Dead zone: no towers from any source |
| Tibak | 1,259 | 1 | Crowdsourced signal only (no registered tower) |
| Victoria | 1,099 | 0 | Dead zone: no towers from any source |
| Zone 1 (Pob.) | 468 | 5 | Crowdsourced signal only (no registered tower) |
| Zone 2 (Pob.) | 833 | 1 | Crowdsourced signal only (no registered tower) |
| Zone 3 (Pob.) | 794 | 0 | Dead zone: no towers from any source |
| Zone 4 Pob. (Cabangcalan) | 1,349 | 0 | Dead zone: no towers from any source |