| Ward name | Approx. Population | Approx. area in square km |
| Koyonzo | 35812 | 66.9 |
| Kholera | 28821 | 61.9 |
| Khalaba | 19778 | 39.0 |
| Mayoni | 30584 | 49.8 |
| Namamali | 31568 | 58.3 |
Matungu
Approx. Population : 146563, Approx. Area in square km: 275.9, Wards – Koyonzo, Kholera, Khalaba, Mayoni, Namamali Ward name Approx.