List of Districts of Bihar (Area, Population and Head Quarter)
| S No | Name of District | Area (sq km) | Population (2011) | Name of HQ |
|---|
| 1 | Araria | 2829 | 2811569 | Araria |
| 2 | Arwal | 637 | 699000 | Arwal |
| 3 | Aurangabad | 3303 | 2540073 | Aurangabad |
| 4 | Banka | 3018 | 2034763 | Banka |
| 5 | Begusarai | 1917 | 1970541 | Begusarai |
| 6 | Bhagalpur | 2569 | 3037766 | Bhagalpur |
| 7 | Bhojpur | 2473 | 2728407 | Arrah |
| 8 | Buxar | 1624 | 706352 | Buxar |
| 9 | Darbhanga | 2278 | 3937385 | Darbhanga |
| 10 | East Champaran | 3969 | 5099371 | Motihari |
| 11 | Gaya | 4978 | 4391418 | Gaya |
| 12 | Gopalganj | 2033 | 2562012 | Gopalganj |
| 13 | Jamui | 3099 | 1760405 | Jamui |
| 14 | Jehanabad | 1569 | 1125313 | Jehanabad |
| 15 | Khagaria | 1486 | 1666886 | Khagaria |
| 16 | Kishanganj | 1884 | 1690400 | Kishanganj |
| 17 | Kaimur | 3363 | 1626384 | Bhabua |
| 18 | Katihar | 3056 | 3071029 | Katihar |
| 19 | Lakhisarai | 1229 | 1000912 | Lakhisarai |
| 20 | Madhubani | 3501 | 4487379 | Madhubani |
| 21 | Munger | 1419 | 1367765 | Munger |
| 22 | Madhepura | 1787 | 2001762 | Madhepura |
| 23 | Muzaffarpur | 3173 | 4801062 | Muzaffarpur |
| 24 | Nalanda | 2334 | 2877653 | Bihar Sharif |
| 25 | Nawada | 2492 | 2219146 | Nawada |
| 26 | Patna | 3202 | 5838465 | Patna |
| 27 | Purnia | 3228 | 3264619 | Purnia |
| 28 | Rohtas | 3850 | 2959918 | Sasaram |
| 29 | Saharsa | 1702 | 1900661 | Saharsa |
| 30 | Samastipur | 2905 | 4261566 | Samastipur |
| 31 | Sheohar | 443 | 514288 | Sheohar |
| 32 | Sheikhpura | 689 | 634927 | Sheikhpura |
| 33 | Saran | 2641 | 3951826 | Chhapra |
| 34 | Sitamarhi | 2199 | 3423574 | Sitamarhi |
| 35 | Supaul | 2410 | 2229076 | Supaul |
| 36 | Siwan | 2219 | 3330464 | Siwan |
| 37 | Vaishali | 2036 | 3495021 | Hajipur |
| 38 | West Champaran | 5229 | 3935042 | Bettiah |
Data shown in this page may not be 100% correct.
