Madrid comprises 14 barangays with an estimated population of 15,329. 13 of its barangays (93%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Bagsac | 388 | 0 | Dead zone: no towers from any source |
| Bayogo | 1,057 | 0 | Dead zone: no towers from any source |
| Linibonan | 1,070 | 0 | Dead zone: no towers from any source |
| Magsaysay | 1,115 | 3 | Crowdsourced signal only (no registered tower) |
| Manga | 1,066 | 0 | Dead zone: no towers from any source |
| Panayogon | 944 | 0 | Dead zone: no towers from any source |
| Patong Patong | 1,759 | 0 | Dead zone: no towers from any source |
| Quirino (Pob.) | 1,585 | 0 | Dead zone: no towers from any source |
| San Antonio | 391 | 0 | Dead zone: no towers from any source |
| San Juan | 1,887 | 0 | Dead zone: no towers from any source |
| San Roque | 787 | 0 | Dead zone: no towers from any source |
| San Vicente | 423 | 0 | Dead zone: no towers from any source |
| Songkit | 820 | 0 | Dead zone: no towers from any source |
| Union | 2,037 | 0 | Dead zone: no towers from any source |