City of Sto. Tomas comprises 30 barangays with an estimated population of 163,115. 0 of its barangays (0%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Barangay I (Pob.) | 1,910 | 8 | Crowdsourced signal only (no registered tower) |
| Barangay II (Pob.) | 1,552 | 3 | Crowdsourced signal only (no registered tower) |
| Barangay III (Pob.) | 2,591 | 6 | Crowdsourced signal only (no registered tower) |
| Barangay IV (Pob.) | 4,392 | 8 | Crowdsourced signal only (no registered tower) |
| San Agustin | 2,308 | 12 | Crowdsourced signal only (no registered tower) |
| San Antonio | 13,045 | 14 | Crowdsourced signal only (no registered tower) |
| San Bartolome | 6,647 | 10 | Crowdsourced signal only (no registered tower) |
| San Felix | 5,731 | 22 | Crowdsourced signal only (no registered tower) |
| San Fernando | 2,960 | 3 | Crowdsourced signal only (no registered tower) |
| San Francisco | 3,287 | 2 | Crowdsourced signal only (no registered tower) |
| San Isidro Norte | 1,942 | 2 | Crowdsourced signal only (no registered tower) |
| San Isidro Sur | 3,055 | 3 | Crowdsourced signal only (no registered tower) |
| San Joaquin | 4,897 | 3 | Crowdsourced signal only (no registered tower) |
| San Jose | 2,488 | 4 | Crowdsourced signal only (no registered tower) |
| San Juan | 4,050 | 7 | Crowdsourced signal only (no registered tower) |
| San Luis | 4,193 | 4 | Crowdsourced signal only (no registered tower) |
| San Miguel | 11,348 | 32 | Crowdsourced signal only (no registered tower) |
| San Pablo | 7,522 | 30 | Crowdsourced signal only (no registered tower) |
| San Pedro | 5,916 | 16 | Crowdsourced signal only (no registered tower) |
| San Rafael | 8,451 | 86 | Crowdsourced signal only (no registered tower) |
| San Roque | 11,063 | 15 | Crowdsourced signal only (no registered tower) |
| San Vicente | 9,533 | 19 | Crowdsourced signal only (no registered tower) |
| Santa Ana | 1,316 | 1 | Crowdsourced signal only (no registered tower) |
| Santa Anastacia | 10,398 | 48 | Crowdsourced signal only (no registered tower) |
| Santa Clara | 6,223 | 5 | Crowdsourced signal only (no registered tower) |
| Santa Cruz | 3,114 | 2 | Crowdsourced signal only (no registered tower) |
| Santa Elena | 2,297 | 1 | Crowdsourced signal only (no registered tower) |
| Santa Maria | 11,565 | 4 | Crowdsourced signal only (no registered tower) |
| Santa Teresita | 1,250 | 2 | Crowdsourced signal only (no registered tower) |
| Santiago | 8,071 | 37 | Crowdsourced signal only (no registered tower) |