| population | |
| Bibhutpur | 338149 |
| Bithan | 148565 |
| Dalsinghsarai | 208818 |
| Hasanpur | 227421 |
| Kalyanpur | 310439 |
| Khanpur | 195729 |
| Mohanpur | 115032 |
| population | |
| Mohiuddinagar | 184521 |
| Morwa | 186075 |
| Patori | 179956 |
| Pusa | 132932 |
| Rosera | 200624 |
| Samastipur | 346109 |
| Sarairanjan | 254835 |
| population | |
| Shivaji Nagar | 193850 |
| Singhia | 210035 |
| Tajpur | 161626 |
| Ujiarpur | 297811 |
| Vidyapati Nagar | 152916 |
| Warisnagar | 216123 |
 | Darbhanga Airport | ~ 49.24 km |
| Muzaffarpur Airport | ~ 72.94 km |
| Jay Prakash Narayan Airport | ~ 84.90 km |
 | Janakpur Airport | ~ 106.62 km |
| Rajbiraj Airport | ~ 117.47 km |
| Gaya Airport | ~ 148.10 km |
| Biratnagar Airport | ~ 157.20 km |
| Deoghar Airport | ~ 165.22 km |
| Simara Airport | ~ 182.40 km |
