Hagonoy comprises 21 barangays with an estimated population of 74,033. 12 of its barangays (57%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Balutakay | 1,946 | 4 | Crowdsourced signal only (no registered tower) |
| Clib | 1,265 | 0 | Dead zone: no towers from any source |
| Guihing | 15,674 | 10 | Crowdsourced signal only (no registered tower) |
| Guihing Aplaya | 1,172 | 0 | Dead zone: no towers from any source |
| Hagonoy Crossing | 11,461 | 1 | Crowdsourced signal only (no registered tower) |
| Kibuaya | 1,599 | 0 | Dead zone: no towers from any source |
| La Union | 1,160 | 0 | Dead zone: no towers from any source |
| Lanuro | 1,199 | 0 | Dead zone: no towers from any source |
| Lapulabao | 1,740 | 0 | Dead zone: no towers from any source |
| Leling | 3,152 | 3 | Crowdsourced signal only (no registered tower) |
| Mahayahay | 2,366 | 0 | Dead zone: no towers from any source |
| Malabang Damsite | 1,964 | 0 | Dead zone: no towers from any source |
| Maliit Digos | 1,118 | 0 | Dead zone: no towers from any source |
| New Quezon | 683 | 0 | Dead zone: no towers from any source |
| Paligue | 4,809 | 2 | Crowdsourced signal only (no registered tower) |
| Poblacion | 3,852 | 3 | Crowdsourced signal only (no registered tower) |
| Sacub | 2,131 | 1 | Crowdsourced signal only (no registered tower) |
| San Guillermo | 772 | 0 | Dead zone: no towers from any source |
| San Isidro | 1,012 | 0 | Dead zone: no towers from any source |
| Sinayawan | 8,336 | 1 | Crowdsourced signal only (no registered tower) |
| Tologan | 6,622 | 1 | Crowdsourced signal only (no registered tower) |