| State ▲ | District | Primary Language | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
|---|---|---|---|---|---|---|---|---|---|
| Arunachal Pradesh | Anjaw | Tiwa | 90 | 90 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Changlang | Tiwa | 1,000 | 600 | -1 - | 200 | 200 | -1 - | -1 - |
| Arunachal Pradesh | Kra Daadi | Tiwa | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Lohit | Tiwa | 90 | 90 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Lower Dibang Valley | Tiwa | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Lower Subansiri | Tiwa | 50 | 30 | -1 - | -1 - | 20 | -1 - | -1 - |
| Arunachal Pradesh | Namsai | Tiwa | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Papum Pare | Tiwa | 300 | 200 | -1 - | -1 - | 90 | -1 - | -1 - |
| Arunachal Pradesh | Siang, East | Tiwa | 80 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Arunachal Pradesh | Siang, West | Tiwa | 60 | 30 | -1 - | -1 - | 30 | -1 - | -1 - |
| Arunachal Pradesh | Tirap | Tiwa | 70 | 50 | -1 - | -1 - | 20 | -1 - | -1 - |
| Arunachal Pradesh | Upper Siang | Tiwa | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Baksa | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Biswanath | Assamese | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Bongaigaon | Bengali | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Cachar | Hindi | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Charaideo | Assamese | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Chirang | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dhemaji | Assamese | 6,200 | 6,200 | -1 - | -1 - | 20 | -1 - | -1 - |
| Assam | Dhubri | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dibrugarh | Malayalam | 80 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dima Hasao | Chin, Thado | 70 | 70 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Goalpara | Kok Borok | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Golaghat | Assamese | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Hojai | Hindi | 21,000 | 20,000 | 40 | -1 - | -1 - | -1 - | -1 - |
| Assam | Jorhat | Tiwa | 90 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kamrup | Boro (India) | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kamrup Metropolitan | Garo | 7,400 | 7,300 | 30 | -1 - | 60 | -1 - | -1 - |
| Assam | Karbi Anglong | Santhali | 13,000 | 11,000 | 30 | -1 - | 1,800 | -1 - | -1 - |
| Assam | Karbi Anglong, West | Nepali | 5,700 | 3,800 | -1 - | -1 - | 1,900 | -1 - | -1 - |
| Assam | Kokrajhar | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Lakhimpur | Hindi | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Majula | Assamese | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Morigaon | Mizo | 111,000 | 110,000 | 300 | -1 - | 60 | -1 - | 100 |
| Assam | Nagaon | Assamese | 39,000 | 39,000 | 50 | -1 - | 50 | -1 - | 30 |
| Assam | Nalbari | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Sivasagar | Tiwa | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Sonitpur | Assamese | 60 | 50 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | South Kamrup | Tiwa | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Tinsukia | Bhojpuri | 70 | 70 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Udalguri | Assamese | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Manipur | Imphal, East | Tiwa | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Jaintia Hills, East | Tiwa | 50 | 50 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Jaintia Hills, West | Tiwa | 300 | 200 | -1 - | -1 - | 40 | -1 - | -1 - |
| Meghalaya | Khasi Hills, East | Assamese | 35,000 | 35,000 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Khasi Hills, Southwest | Tiwa | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Khasi Hills, West | Tiwa | 20 | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Meghalaya | Ri Bhoi | Assamese | 4,200 | 4,200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| States | Districts | Languages | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
| 4 | 48 | 13 | 245,000 | 239,000 | 400 | 200 | 4,400 | 0 | 200 |