Itogon comprises 9 barangays with an estimated population of 80,943. 1 of its barangays (11%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Ampucao | 21,785 | 1 | Crowdsourced signal only (no registered tower) |
| Dalupirip | 4,389 | 0 | Dead zone: no towers from any source |
| Gumatdang | 1,532 | 9 | Crowdsourced signal only (no registered tower) |
| Loacan | 16,755 | 13 | Crowdsourced signal only (no registered tower) |
| Poblacion (Central) | 4,208 | 2 | Crowdsourced signal only (no registered tower) |
| Tinongdan | 4,930 | 6 | Crowdsourced signal only (no registered tower) |
| Tuding | 9,102 | 5 | Crowdsourced signal only (no registered tower) |
| Ucab | 9,081 | 2 | Crowdsourced signal only (no registered tower) |
| Virac | 9,161 | 32 | Crowdsourced signal only (no registered tower) |