Population
| Sl.No. | CD Block/Town | Area in Square Kilometer | No. of Village | Males | Females | Total |
|---|---|---|---|---|---|---|
| 1. | I.Aliganj | 172.86 | 69 | 70903 | 65865 | 136768 |
| 2. | Sikandra | 184.01 | 68 | 76782 | 71929 | 148711 |
| 3. | Jamui | 147.45 | 98 | 75254 | 69503 | 144757 |
| 4. | Barhat | 232.12 | 43 | 48141 | 44066 | 92207 |
| 5. | Laxmipur | 251.77 | 82 | 64688 | 59461 | 124149 |
| 6. | Jhajha | 417.53 | 202 | 117663 | 109195 | 226858 |
| 7. | Gidhour | 71.13 | 20 | 40720 | 36838 | 77558 |
| 8. | Khaira | 418.74 | 96 | 123188 | 112573 | 235761 |
| 9. | Sono | 392.27 | 250 | 108515 | 101930 | 210445 |
| 10. | Chakai | 774.05 | 600 | 122790 | 112398 | 235186 |
| 11. | Jamui(NP) | 26.45 | – | 46014 | 41343 | 87357 |
| 12. | Jhajha(NP) | 9.87 | – | 21406 | 19240 | 40646 |