| Mandal Name | Total Population | Villages |
|---|---|---|
| Athmalgola | 90964 | 25 |
| Bakhtiarpur | 179485 | 58 |
| Barh | 154878 | 47 |
| Belchhi | 66165 | 29 |
| Bihta | 205443 | 88 |
| Bikram | 147024 | 67 |
| Daniawan | 75086 | 33 |
| Dhanarua | 211376 | 122 |
| Dinapur Cum Khagaul | 134909 | 41 |
| Dulhin Bazar | 124966 | 54 |
| Fatwah | 147047 | 84 |
| Ghoswari | 74898 | 23 |
| Khusrupur | 93773 | 34 |
| Maner | 228930 | 45 |
| Masaurhi | 181413 | 102 |
| Mokameh | 136882 | 31 |
| Naubatpur | 178583 | 100 |
| Paliganj | 244290 | 117 |
| Pandarak | 154613 | 72 |
| Patna Rural | 83312 | 32 |
| Phulwari | 164829 | 60 |
| Punpun | 138143 | 85 |
| Sampatchak | 106866 | 39 |
