| 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 | Punjabi, Eastern | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Chirang | Bengali | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dhemaji | Assamese | 6,200 | 6,100 | -1 - | -1 - | 20 | -1 - | -1 - |
| Assam | Dhubri | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dibrugarh | Tiwa | 80 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Dima Hasao | Nepali | 70 | 70 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Goalpara | Boro (India) | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Golaghat | Karbi | 200 | 200 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Hojai | Deori | 20,000 | 20,000 | 40 | -1 - | -1 - | -1 - | -1 - |
| Assam | Jorhat | Tiwa | 90 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kamrup | Tiwa | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Kamrup Metropolitan | Assamese | 7,300 | 7,300 | 30 | -1 - | 60 | -1 - | -1 - |
| Assam | Karbi Anglong | Tamang, Eastern Gorkha | 13,000 | 11,000 | 30 | -1 - | 1,800 | -1 - | -1 - |
| Assam | Karbi Anglong, West | Nepali | 5,600 | 3,700 | -1 - | -1 - | 1,900 | -1 - | -1 - |
| Assam | Kokrajhar | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Lakhimpur | Nyishi | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Majula | Assamese | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Morigaon | Deori | 110,000 | 109,000 | 300 | -1 - | 60 | -1 - | 100 |
| Assam | Nagaon | Santhali | 38,000 | 38,000 | 50 | -1 - | 50 | -1 - | 30 |
| Assam | Nalbari | Assamese | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Sivasagar | Punjabi, Eastern | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | Sonitpur | Karbi | 60 | 50 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Assam | South Kamrup | Assamese | -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 - |
| 4 | 48 | 13 | 243,000 | 237,000 | 400 | 200 | 4,400 | 0 | 200 |