| State ▲ | District | Primary Language | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
|---|---|---|---|---|---|---|---|---|---|
| Arunachal Pradesh | Changlang | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Lepa-Rada | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Lower Siang | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Papum Pare | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Siang, East | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Tirap | Assamese | 40 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Upper Subansiri | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Bajali | Assamese | 800 | 800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Baksa | Assamese | 2,000 | 1,900 | -1 - | -1 - | 40 | -1 - | -1 - |
| Assam | Barpeta | Assamese | 1,500 | 1,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Biswanath | Assamese | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Bongaigaon | Assamese | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Cachar | Bengali | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Charaideo | Assamese | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Chirang | Assamese | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Darrang | Assamese | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dhemaji | Assamese | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dhubri | Assamese | 2,500 | 2,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dibrugarh | Assamese | 900 | 900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dima Hasao | Assamese | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Goalpara | Assamese | 1,900 | 1,900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Golaghat | Assamese | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Hailakandi | Assamese | 70 | 70 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Hojai | Assamese | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Jorhat | Assamese | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kamrup | Assamese | 2,300 | 2,300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kamrup Metropolitan | Assamese | 1,900 | 1,900 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Karbi Anglong | Assamese | 700 | 600 | -1 - | -1 - | 20 | -1 - | -1 - |
| Assam | Karbi Anglong, West | Assamese | 300 | 300 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Karimganj | Assamese | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kokrajhar | Assamese | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Lakhimpur | Assamese | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Majula | Assamese | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Morigaon | Assamese | 80 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Nagaon | Assamese | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Nalbari | Assamese | 1,500 | 1,500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Salmara-Mankachar, South | Assamese | 700 | 700 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Sivasagar | Assamese | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Sonitpur | Assamese | 600 | 600 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | South Kamrup | Assamese | 2,200 | 2,200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Tinsukia | Sadri | 500 | 500 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Udalguri | Assamese | 800 | 800 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Garo Hills, Southwest | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Garo Hills, West | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Jaintia Hills, West | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Khasi Hills, East | Assamese | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Ri Bhoi | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Mizoram | Aizawl | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Mizoram | Lunglei | Assamese | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| States | Districts | Languages | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
| 4 | 49 | 3 | 25,000 | 25,000 | 0 | 0 | 60 | 0 | 0 |