| City | 2026 Pop. ↓ |
|---|---|
| Ulm | 132,708 |
| Unna | 57,174 |
| Uelzen | 32,963 |
| Unterschleissheim | 28,855 |
| Unterhaching | 26,948 |
| Uebach-Palenberg | 24,818 |
| Ueberlingen | 22,899 |
| Uetze | 20,007 |
| Uetersen | 19,323 |
| Usingen | 16,153 |
| Uhingen | 14,360 |
| Uslar | 13,510 |
| Ubstadt-Weiher | 13,202 |
| Unterfoehring | 12,715 |
| Ueberherrn | 12,159 |
| Uplengen | 11,953 |