| State ▲ | District | Primary Language | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
|---|---|---|---|---|---|---|---|---|---|
| Bihar | Araria | Maithili | 40 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Banka | Maithili | 40 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Bhagalpur | Maithili | 60 | 60 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Katihar | Maithili | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Khagaria | Maithili | 40 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Madhepura | Maithili | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Purnia | Maithili | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Saharsa | Maithili | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Samastipur | Maithili | 40 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Bihar | Supaul | Maithili | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Deoghar | Hindi | 80 | 80 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Dumka | Hindi | 70 | 70 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Godda | Magahi | 60 | 60 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Jamtara | Hindi | 60 | 60 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Pakur | Hindi | 40 | 40 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Jharkhand | Sahibganj | Magahi | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Koraput | Odia | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Malkangiri | Odia | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Mayurbhanj | Odia | 100 | 100 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Nabarangpur | Odia | 30 | 30 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Odisha | Rayagada | Odia | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Dhalai | Maithili | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Gomati | Maithili | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Khowai | Maithili | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Tripura, North | Maithili | 20 | 20 | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Tripura, West | Maithili | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| Tripura | Unokoti | Maithili | -1 Unknown | -1 - | -1 - | -1 - | -1 - | -1 - | -1 - |
| West Bengal | Maldah | Hindi | 400 | 400 | -1 - | -1 - | -1 - | -1 - | -1 - |
| States | Districts | Languages | Population | Hindu | Muslim | Buddhist | Christian | Sikh | Other |
| 5 | 28 | 4 | 1,400 | 1,400 | 0 | 0 | 0 | 0 | 0 |