| Country Population: | 40,000 |
| States: | 2 |
| Districts: | 45 |
| Primary Language: | Hindi |
| Primary Religion: | Hinduism |
| State ▲ | District | Primary Language | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
|---|---|---|---|---|---|---|---|---|---|
| Bihar | Arwal | Hindi | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Aurangabad | Hindi | 1,800 | 1,800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Banka | Hindi | 1,400 | 1,400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Begusarai | Magahi | 1,100 | 1,100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Bhagalpur | Hindi | 700 | 700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Bhojpur | Bhojpuri | 1,100 | 1,100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Buxar | Hindi | 800 | 800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Darbhanga | Hindi | 1,700 | 1,700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Gaya | Hindi | 1,400 | 1,400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Gopalganj | Bhojpuri | 1,100 | 1,100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Jamui | Hindi | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Jehanabad | Magahi | 800 | 800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Kaimur | Hindi | 700 | 700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Katihar | Hindi | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Khagaria | Magahi | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Lakhisarai | Hindi | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Madhepura | Magahi | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Madhubani | Hindi | 1,100 | 1,100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Munger | Hindi | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Muzaffarpur | Hindi | 1,900 | 1,900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Nalanda | Magahi | 1,900 | 1,900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Nawada | Hindi | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Pashchim Champaran | Bhojpuri | 1,100 | 1,100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Patna | Magahi | 3,800 | 3,800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Purba Champaran | Bhojpuri | 1,500 | 1,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Purnia | Maithili | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Rohtas | Bhojpuri | 1,000 | 1,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Saharsa | Magahi | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Samastipur | Hindi | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Saran | Bhojpuri | 1,900 | 1,900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Sheikhpura | Hindi | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Sheohar | Hindi | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Sitamarhi | Maithili | 1,600 | 1,600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Siwan | Hindi | 1,500 | 1,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Supaul | Magahi | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Vaishali | Hindi | 1,300 | 1,300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Bokaro | Magahi | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Chatra | Magahi | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Garhwa | Hindi | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Giridih | Magahi | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Hazaribag | Magahi | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Koderma | Hindi | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Latehar | Hindi | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Palamu | Hindi | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Ramgarh | Magahi | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| States | Districts | Languages | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
| 2 | 45 | 4 | 40,000 | 40,000 | 0 | 0 | 0 | 0 | 0 |
