Gonzaga comprises 25 barangays with an estimated population of 36,589. 12 of its barangays (48%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Amunitan | 943 | 1 | Crowdsourced signal only (no registered tower) |
| Batangan | 1,583 | 0 | Dead zone: no towers from any source |
| Baua | 1,871 | 3 | Crowdsourced signal only (no registered tower) |
| Cabanbanan Norte | 724 | 0 | Dead zone: no towers from any source |
| Cabanbanan Sur | 385 | 3 | Crowdsourced signal only (no registered tower) |
| Cabiraoan | 3,791 | 1 | Crowdsourced signal only (no registered tower) |
| Calayan | 2,667 | 2 | Crowdsourced signal only (no registered tower) |
| Callao | 765 | 0 | Dead zone: no towers from any source |
| Caroan | 513 | 0 | Dead zone: no towers from any source |
| Casitan | 1,273 | 0 | Dead zone: no towers from any source |
| Flourishing (Pob.) | 1,348 | 1 | Crowdsourced signal only (no registered tower) |
| Ipil | 2,015 | 0 | Dead zone: no towers from any source |
| Isca | 1,139 | 8 | Crowdsourced signal only (no registered tower) |
| Magrafil | 670 | 0 | Dead zone: no towers from any source |
| Minanga | 343 | 0 | Dead zone: no towers from any source |
| Paradise (Pob.) | 1,407 | 1 | Crowdsourced signal only (no registered tower) |
| Pateng | 1,532 | 5 | Crowdsourced signal only (no registered tower) |
| Progressive (Pob.) | 2,552 | 0 | Dead zone: no towers from any source |
| Rebecca (Nagbabalacan*) | 1,111 | 6 | Crowdsourced signal only (no registered tower) |
| San Jose | 709 | 1 | Crowdsourced signal only (no registered tower) |
| Santa Clara | 2,084 | 0 | Dead zone: no towers from any source |
| Santa Cruz | 878 | 12 | Crowdsourced signal only (no registered tower) |
| Santa Maria | 1,372 | 0 | Dead zone: no towers from any source |
| Smart (Pob.) | 1,718 | 0 | Dead zone: no towers from any source |
| Tapel | 3,196 | 2 | Crowdsourced signal only (no registered tower) |