San Jose comprises 16 barangays with an estimated population of 16,586. 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 |
|---|---|---|---|
| Aguadahan | 2,026 | 0 | Dead zone: no towers from any source |
| Bagong Sabang | 302 | 0 | Dead zone: no towers from any source |
| Balite | 227 | 0 | Dead zone: no towers from any source |
| Barangay East (Pob.) | 83 | 0 | Dead zone: no towers from any source |
| Barangay North (Pob.) | 249 | 1 | Crowdsourced signal only (no registered tower) |
| Barangay South (Pob.) | 388 | 0 | Dead zone: no towers from any source |
| Barangay West (Pob.) | 81 | 0 | Dead zone: no towers from any source |
| Bonglas | 99 | 1 | Crowdsourced signal only (no registered tower) |
| Da-o | 1,763 | 0 | Dead zone: no towers from any source |
| Gengarog | 1,775 | 0 | Dead zone: no towers from any source |
| Geratag | 1,574 | 2 | Crowdsourced signal only (no registered tower) |
| Layuhan | 607 | 0 | Dead zone: no towers from any source |
| Mandugang | 2,953 | 0 | Dead zone: no towers from any source |
| P. Tingzon | 3,853 | 0 | Dead zone: no towers from any source |
| San Lorenzo | 386 | 0 | Dead zone: no towers from any source |
| Tubigdanao | 220 | 0 | Dead zone: no towers from any source |