Don Marcelino comprises 15 barangays with an estimated population of 70,446. 13 of its barangays (87%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Baluntaya | 3,127 | 0 | Dead zone: no towers from any source |
| Calian | 3,339 | 0 | Dead zone: no towers from any source |
| Dalupan | 9,283 | 0 | Dead zone: no towers from any source |
| Kinanga | 6,264 | 11 | Crowdsourced signal only (no registered tower) |
| Kiobog | 3,585 | 0 | Dead zone: no towers from any source |
| Lanao | 1,875 | 0 | Dead zone: no towers from any source |
| Lapuan | 7,390 | 0 | Dead zone: no towers from any source |
| Lawa (Pob.) | 4,568 | 0 | Dead zone: no towers from any source |
| Linadasan | 2,403 | 0 | Dead zone: no towers from any source |
| Mabuhay | 2,460 | 0 | Dead zone: no towers from any source |
| North Lamidan | 4,430 | 0 | Dead zone: no towers from any source |
| Nueva Villa | 4,038 | 0 | Dead zone: no towers from any source |
| South Lamidan | 2,546 | 0 | Dead zone: no towers from any source |
| Talagutong (Pob.) | 8,856 | 1 | Crowdsourced signal only (no registered tower) |
| West Lamidan | 6,282 | 0 | Dead zone: no towers from any source |