| Country Population: | 464,000 |
| States: | 12 |
| Districts: | 122 |
| Primary Language: | Bengali |
| Primary Religion: | Hinduism |

| State ▲ | District | Primary Language | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
|---|---|---|---|---|---|---|---|---|---|
| Andaman and Nicobar Islands | Andaman, South | Bengali | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Andaman and Nicobar Islands | North and Middle Andaman | Bengali | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Lepa-Rada | Assamese | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Lower Siang | Assamese | 40 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Siang | Assamese | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Siang, West | Bengali | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Bajali | Assamese | 700 | 700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Baksa | Assamese | 1,100 | 1,100 | -1 - | -1 - | 20 | -1 - | -1 - |
| Assam | Barpeta | Assamese | 1,500 | 1,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Biswanath | Assamese | 3,300 | 3,300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Bongaigaon | Assamese | 2,400 | 2,400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Cachar | Bengali | 12,000 | 12,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Charaideo | Assamese | 2,400 | 2,400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Chirang | Assamese | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Darrang | Assamese | 1,500 | 1,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dhemaji | Assamese | 3,400 | 3,400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dhubri | Bengali | 1,100 | 1,100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dibrugarh | Assamese | 6,500 | 6,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Goalpara | Assamese | 2,100 | 2,100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Golaghat | Assamese | 8,600 | 8,600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Hailakandi | Assamese | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Hojai | Assamese | 7,300 | 7,300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Jorhat | Assamese | 5,700 | 5,700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kamrup | Assamese | 1,200 | 1,200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kamrup Metropolitan | Bengali | 4,900 | 4,900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Karbi Anglong | Assamese | 2,700 | 2,700 | -1 - | -1 - | 20 | -1 - | -1 - |
| Assam | Karbi Anglong, West | Assamese | 1,500 | 1,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Karimganj | Assamese | 6,100 | 6,100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kokrajhar | Assamese | 900 | 900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Lakhimpur | Assamese | 11,000 | 11,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Majula | Assamese | 1,000 | 1,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Morigaon | Assamese | 4,600 | 4,600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Nagaon | Assamese | 6,500 | 6,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Nalbari | Assamese | 3,600 | 3,600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Salmara-Mankachar, South | Assamese | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Sivasagar | Assamese | 3,500 | 3,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Sonitpur | Bengali | 6,600 | 6,600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | South Kamrup | Assamese | 1,200 | 1,200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Tinsukia | Bengali | 3,500 | 3,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Udalguri | Assamese | 1,500 | 1,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Araria | Hindi | 12,000 | 12,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Katihar | Hindi | 13,000 | 13,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Kishanganj | Maithili | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Purnia | Maithili | 29,000 | 29,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, Central | Bengali | 60 | 60 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, East | Bengali | 70 | 70 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, New | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, North | Bengali | 50 | 50 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, Northeast | Bengali | 80 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, Northwest | Bengali | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, South | Bengali | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, South East | Bengali | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, Southwest | Bengali | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Delhi, West | Bengali | 80 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Delhi | Shahdara | Bengali | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Deoghar | Bengali | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Dhanbad | Bengali | 900 | 900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Dumka | Bengali | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Godda | Hindi | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Jamtara | Bengali | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Pakur | Hindi | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Sahibganj | Hindi | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Seraikela Kharsawan | Bengali | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Singhbhum, East | Bengali | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Singhbhum, West | Bengali | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Garo Hills, Southwest | Bengali | 60 | 60 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Nagaland | Dimapur | Bengali | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Nagaland | Kohima | Bengali | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Nagaland | Peren | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Angul | Odia | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Balasore | Odia | 3,700 | 3,700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Bargarh (Baragarh) | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Bhadrak | Odia | 2,000 | 2,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Cuttack | Odia | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Dhenkanal | Odia | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Gajapati | Odia | 80 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Ganjam | Bengali | 900 | 900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Jagatsinghpur | Odia | 800 | 800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Jajpur | Odia | 700 | 700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Jharsuguda | Odia | 80 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Kendrapara | Bengali | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Kendujhar (Keonjhar) | Bengali | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Khordha | Bengali | 1,500 | 1,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Mayurbhanj | Bengali | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Nayagarh | Bengali | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Puri | Odia | 1,400 | 1,400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Sundargarh | Bengali | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Dhalai | Bengali | 700 | 700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Gomati | Bengali | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Khowai | Bengali | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Sepahijala | Bengali | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Tripura, North | Bengali | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Tripura, South | Bengali | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Tripura, West | Bengali | 700 | 700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Unokoti | Bengali | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Uttar Pradesh | Gautam Buddh Nagar | Maithili | 60 | 60 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Uttar Pradesh | Ghaziabad | Hindi | 90 | 90 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Uttar Pradesh | Lucknow | Assamese | 50 | 50 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Uttar Pradesh | Meerut | Assamese | 40 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Alipurduar | Bengali | 3,600 | 3,500 | -1 - | 30 | -1 - | -1 - | -1 - |
| West Bengal | Bankura | Bengali | 6,900 | 6,900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Birbhum | Bengali | 4,900 | 4,900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Cooch Behar | Bengali | 17,000 | 17,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Dakshin Dinajpur | Bengali | 6,500 | 6,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Darjeeling | Bengali | 1,300 | 1,300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Hooghly | Bengali | 42,000 | 42,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Howrah | Bengali | 18,000 | 18,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Jalpaiguri | Bengali | 6,300 | 6,300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Jhargram | Bengali | 8,700 | 8,700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Kalimpang | Bengali | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Kolkata | Bengali | 8,400 | 8,400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Maldah | Bengali | 6,500 | 6,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Murshidabad | Bengali | 3,900 | 3,900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Nadia | Bengali | 20,000 | 20,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | North 24 Parganas | Bengali | 10,000 | 10,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Paschim Bardhaman | Bengali | 19,000 | 19,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Paschim Medinipur | Bengali | 31,000 | 31,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Purba Bardhaman | Bengali | 2,000 | 2,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Purba Medinipur | Bengali | 17,000 | 17,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Purulia | Bengali | 3,500 | 3,500 | -1 - | -1 - | 30 | -1 - | -1 - |
| West Bengal | South 24 Parganas | Bengali | 18,000 | 18,000 | -1 - | -1 - | 100 | -1 - | -1 - |
| West Bengal | Uttar Dinajpur | Bengali | 7,700 | 7,700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| States | Districts | Languages | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
| 12 | 122 | 5 | 464,000 | 464,000 | 0 | 30 | 200 | 0 | 0 |