| Name | Population | Latitude/Longitude |
| 1 | Freetown, Western Area |
802,639 |
8.49 / -13.234 |
| 2 | Bo, Southern Province |
174,354 |
7.965 / -11.738 |
| 3 | Kenema, Eastern Province |
143,137 |
7.877 / -11.188 |
| 4 | Makeni, Northern Province |
87,679 |
8.883 / -12.05 |
| 5 | Koidu, Eastern Province |
87,539 |
8.417 / -10.833 |
| 6 | Lunsar, Northern Province |
22,461 |
8.683 / -12.533 |
| 7 | Port Loko, Northern Province |
21,308 |
8.767 / -12.783 |
| 8 | Waterloo, Western Area |
19,750 |
8.338 / -13.072 |
| 9 | Kabala, Northern Province |
17,948 |
9.583 / -11.55 |
| 10 | Magburaka, Northern Province |
14,915 |
8.717 / -11.95 |