Bauko comprises 22 barangays with an estimated population of 30,860. 18 of its barangays (82%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Abatan | 1,016 | 4 | Crowdsourced signal only (no registered tower) |
| Bagnen Oriente | 712 | 0 | Dead zone: no towers from any source |
| Bagnen Proper | 651 | 0 | Dead zone: no towers from any source |
| Balintaugan | 253 | 0 | Dead zone: no towers from any source |
| Banao | 1,832 | 0 | Dead zone: no towers from any source |
| Bila (Bua) | 1,481 | 0 | Dead zone: no towers from any source |
| Guinzadan Central | 771 | 0 | Dead zone: no towers from any source |
| Guinzadan Norte | 1,159 | 0 | Dead zone: no towers from any source |
| Guinzadan Sur | 2,045 | 0 | Dead zone: no towers from any source |
| Lagawa | 2,017 | 0 | Dead zone: no towers from any source |
| Leseb | 585 | 0 | Dead zone: no towers from any source |
| Mabaay | 2,360 | 3 | Crowdsourced signal only (no registered tower) |
| Mayag | 311 | 0 | Dead zone: no towers from any source |
| Monamon Norte | 3,670 | 0 | Dead zone: no towers from any source |
| Monamon Sur | 2,507 | 1 | Crowdsourced signal only (no registered tower) |
| Mount Data | 534 | 0 | Dead zone: no towers from any source |
| Otucan Norte | 221 | 0 | Dead zone: no towers from any source |
| Otucan Sur | 2,954 | 2 | Crowdsourced signal only (no registered tower) |
| Poblacion (Bauko) | 870 | 0 | Dead zone: no towers from any source |
| Sadsadan | 2,479 | 0 | Dead zone: no towers from any source |
| Sinto | 744 | 0 | Dead zone: no towers from any source |
| Tapapan | 1,688 | 0 | Dead zone: no towers from any source |