| City | 2026 Pop. ↓ |
|---|---|
| Toulouse | 532,795 |
| Toulon | 180,989 |
| Tours | 140,873 |
| Tourcoing | 99,465 |
| Troyes | 62,268 |
| Talence | 48,638 |
| Tarbes | 45,840 |
| Thionville | 44,240 |
| Tremblay-en-France | 39,843 |
| Thonon-les-Bains | 39,692 |
| Trappes | 36,332 |
| Thiais | 34,756 |
| Tournefeuille | 31,811 |
| Taverny | 28,130 |
| Tassin-la-Demi-Lune | 23,712 |
| Torcy | 23,241 |
| Trelaze | 17,277 |
| Toul | 15,880 |
| Tarascon | 15,403 |
| Thouars | 13,897 |
| Tarnos | 13,230 |
| Tergnier | 12,750 |
| Tulle | 12,575 |
| Triel-sur-Seine | 12,297 |
| Talant | 12,092 |
| Tournon-sur-Rhone | 11,803 |
| Thiers | 11,566 |
| Thouare-sur-Loire | 11,476 |
| Treillieres | 11,377 |
| Trets | 11,330 |
| Tinqueux | 11,156 |
| Tarare | 11,118 |
| Thorigny-sur-Marne | 10,502 |