|
Districts

S.No |
District |
Area in Sq Km |
Population |
Headquarter |
| 1. |
Araria |
2,830 |
2,158,608 |
Araria |
| 2. |
Aurangabad |
3,305 |
2,013,055 |
Aurangabad |
| 3. |
Begusarai |
1,918 |
2,349,366 |
Begusarai |
| 4. |
Bhagalpur |
2,570 |
2,423,172 |
Bhagalpur |
| 5. |
Banka |
3,019 |
1,608,773 |
Banka |
| 6. |
Bhojpur |
2,337 |
2,243,144 |
Arrah |
| 7. |
Buxar |
1,624 |
1,402,396 |
Buxar |
| 8. |
Bhabhua (Kaimur) |
1,840 |
1,289,074 |
Bhabhua |
| 9. |
Darbhanga |
2,279 |
3,295,789 |
Darbhanga |
| 10. |
East Champaran |
3,968 |
3,043,466 |
Motihari |
| 11. |
Gaya |
4,976 |
3,473,428 |
Gaya |
| 12. |
Goplaganj |
2,033 |
2,152,638 |
Gopalganj |
| 13. |
Jahanabad&Arwal |
1,569 |
1,514,315 |
Jahanabad |
| 14. |
Jamui |
2,996 |
1,398,796 |
Jamui |
| 15. |
Katihar |
3,057 |
2,392,638 |
Katihar |
| 16. |
Khagaria |
1,486 |
1,280,354 |
Khagaria |
| 17. |
Kishanganj |
1,884 |
1,296,348 |
Kishanganj |
| 18. |
Lakshisarai |
3,302 |
802,225 |
Lakhisarai |
| 19. |
Madhepura |
2,501 |
1,526,646 |
Madhepura |
| 20. |
Madhubani |
2,501 |
3,575,281 |
Madhubani |
| 21. |
Munger |
- |
1,137,797 |
Munger |
| 22. |
Muzaffarpur |
3,172 |
3,746,714 |
Muzaffarpur |
| 23. |
Nalanda |
2,367 |
2,370,528 |
Biharsharif |
| 24. |
Nawada |
2,494 |
1,809,696 |
Nawada |
| 25. |
Patna |
3,202 |
4,718,592 |
Patna |
| 26. |
Purnea |
3,229 |
2,543,942 |
Purnea |
| 27. |
Rohtas |
3,838 |
2,450,748 |
Sasaram |
| 28. |
Saharsa |
1,696 |
1,508,182 |
Saharsa |
| 29. |
Samastipur |
2,904 |
3,394,793 |
Samastipur |
| 30. |
Saran |
2,641 |
3,248,701 |
Chapra |
| 31. |
Sheikhpura |
- |
525,502 |
Shekhpura |
| 32. |
Sheohar |
- |
515,961 |
Sheohar |
| 33 |
Sitamarhi |
- |
2,682,720 |
Sitamarhi |
| 34. |
Siwan |
2,219 |
2,714,349 |
Siwan |
| 35. |
Supaul |
2,420 |
1,732,578 |
Supaul |
| 36. |
Vaishali |
2,036 |
2,718,421 |
Hazipur |
| 37. |
West Champaran |
5,228 |
3,939,773 |
Betiah |
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