| Country Population: | 123,000 |
| States: | 7 |
| Districts: | 86 |
| Primary Language: | Sadri |
| Primary Religion: | Hinduism |

| State ▲ | District | Primary Language | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
|---|---|---|---|---|---|---|---|---|---|
| Andaman and Nicobar Islands | Andaman, South | Bengali | 40 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Bajali | Panchpargania | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Baksa | Panchpargania | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Barpeta | Bengali | 50 | 50 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Chirang | Assamese | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dhubri | Assamese | 50 | 50 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Goalpara | Odia | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kamrup | Assamese | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kamrup Metropolitan | Assamese | 800 | 800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kokrajhar | Hindi | 700 | 700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Nalbari | Assamese | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | South Kamrup | Assamese | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Tinsukia | Sadri | 4,000 | 3,800 | -1 - | -1 - | 200 | -1 - | 30 |
| Bihar | Araria | Hindi | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Darbhanga | Urdu | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Gaya | Arabic, Mesopotamian | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Gopalganj | Bengali | 30 | -1 - | 20 | -1 - | -1 - | -1 - | -1 - |
| Bihar | Jamui | Hindi | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Kaimur | Bhojpuri | 60 | 20 | 30 | -1 - | -1 - | -1 - | -1 - |
| Bihar | Katihar | Bengali | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Kishanganj | Bhojpuri | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Madhepura | Hindi | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Madhubani | Maithili | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Munger | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Nawada | Magahi | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Pashchim Champaran | Bengali | 200 | 100 | 20 | -1 - | -1 - | -1 - | -1 - |
| Bihar | Patna | Sadri | 40 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Purnia | Surjapuri | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Rohtas | Hindi | 300 | -1 - | 300 | -1 - | -1 - | -1 - | -1 - |
| Bihar | Saran | Bhojpuri | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Sheikhpura | Urdu | 30 | -1 - | 20 | -1 - | -1 - | -1 - | -1 - |
| Bihar | Siwan | Bhojpuri | 200 | 50 | 100 | -1 - | -1 - | -1 - | -1 - |
| Bihar | Vaishali | Hindi | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Bokaro | Bhojpuri | 300 | 300 | -1 - | -1 - | 30 | -1 - | -1 - |
| Jharkhand | Chatra | Sadri | 20 | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Deoghar | Hindi | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Dhanbad | Sadri | 70 | 30 | -1 - | -1 - | 20 | -1 - | -1 - |
| Jharkhand | Dumka | Maithili | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Garhwa | Sadri | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Giridih | Hindi | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Gumla | Meitei | 18,000 | 9,500 | 20 | -1 - | 200 | -1 - | 8,700 |
| Jharkhand | Hazaribag | Mundari | 90 | 40 | -1 - | -1 - | 30 | -1 - | -1 - |
| Jharkhand | Jamtara | Hindi | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Khunti | Ho | 2,600 | 1,600 | -1 - | -1 - | 200 | -1 - | 800 |
| Jharkhand | Koderma | Hindi | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Latehar | Sadri | 1,300 | 400 | -1 - | -1 - | 200 | -1 - | 700 |
| Jharkhand | Lohardaga | Sadri | 600 | 200 | -1 - | -1 - | -1 - | -1 - | 500 |
| Jharkhand | Palamu | Hindi | 30 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Ramgarh | Sadri | 500 | 400 | -1 - | -1 - | 70 | -1 - | -1 - |
| Jharkhand | Ranchi | Santhali | 9,400 | 6,600 | 30 | -1 - | 500 | -1 - | 2,300 |
| Jharkhand | Sahibganj | Maithili | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Seraikela Kharsawan | Sadri | 40 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Simdega | Nepali | 20,000 | 14,000 | 20 | -1 - | 700 | -1 - | 5,600 |
| Jharkhand | Singhbhum, East | Bengali | 500 | 400 | -1 - | -1 - | 30 | -1 - | 20 |
| Jharkhand | Singhbhum, West | Kurux | 800 | 300 | -1 - | -1 - | -1 - | -1 - | 500 |
| Odisha | Kendujhar (Keonjhar) | Odia | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Sundargarh | Odia | 2,800 | 2,800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Dhalai | Bengali | 1,900 | 1,900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Gomati | Bengali | 3,400 | 3,400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Khowai | Bengali | 3,800 | 3,800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Sepahijala | Bengali | 4,400 | 4,400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Tripura, North | Bengali | 4,200 | 4,200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Tripura, South | Bengali | 3,700 | 3,700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Tripura, West | Bengali | 9,800 | 9,800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Unokoti | Bengali | 2,700 | 2,700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Alipurduar | Kurux | 5,200 | 4,800 | -1 - | -1 - | 200 | -1 - | 200 |
| West Bengal | Cooch Behar | Panchpargania | 70 | 70 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Dakshin Dinajpur | Panchpargania | 50 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Darjeeling | Ho | 3,200 | 2,900 | -1 - | -1 - | 200 | -1 - | 60 |
| West Bengal | Hooghly | Hindi | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Howrah | Hindi | 30 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Jalpaiguri | Kharia | 10,000 | 9,300 | -1 - | -1 - | 300 | -1 - | 400 |
| West Bengal | Jhargram | Bengali | 40 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Kalimpang | Sadri | 500 | 400 | -1 - | 40 | 40 | -1 - | -1 - |
| West Bengal | Kolkata | Telugu | 30 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Maldah | Bengali | 50 | 50 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Murshidabad | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Nadia | Bengali | 1,300 | 1,300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | North 24 Parganas | Odia | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Paschim Bardhaman | Bengali | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Paschim Medinipur | Bengali | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Purba Bardhaman | Bengali | 30 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Purba Medinipur | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Purulia | Santhali | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | South 24 Parganas | Bengali | 100 | -1 - | -1 - | -1 - | -1 - | -1 - | 100 |
| West Bengal | Uttar Dinajpur | Sadri | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| States | Districts | Languages | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
| 7 | 86 | 20 | 123,000 | 99,000 | 700 | 60 | 2,900 | 0 | 20,000 |