| SL | Languages | Population | Percentage |
|---|---|---|---|
| 1 | Assamese | 358381 | 48.51 |
| 2 | Bengali | 320274 | 43.35 |
| 3 | Hindi | 22643 | 3.06 |
| 4 | Rajbangsi | 10689 | 1.45 |
| 5 | Bodo/Boro | 8347 | 1.13 |
| 6 | Others | 5266 | 0.71 |
| 7 | Garo | 3765 | 0.51 |
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| 8 | Nepali | 2278 | 0.31 |
| 9 | Rabha | 1653 | 0.22 |
| 10 | Bhojpuri | 996 | 0.13 |
| 11 | Telugu | 770 | 0.10 |
| 12 | Marwari | 663 | 0.09 |
| 13 | Munda | 430 | 0.06 |
| 14 | Punjabi | 398 | 0.05 |
| 15 | Sadan/Sadri | 304 | 0.04 |
| 16 | Odia | 300 | 0.04 |
| 17 | Koch | 261 | 0.04 |
| 18 | Kurukh/Oraon | 215 | 0.03 |
| 19 | Rajasthani | 192 | 0.03 |
| 20 | Santali | 124 | 0.02 |
| 21 | Haijong/Hajong | 120 | 0.02 |
| 22 | Maithili | 105 | 0.01 |
| 23 | Urdu | 102 | 0.01 |
| 24 | Marathi | 80 | 0.01 |
| 25 | Manipuri | 63 | 0.01 |
| 26 | Malayalam | 58 | 0.01 |
| 27 | Tamil | 52 | 0.01 |
| 28 | Miri/Mishing | 47 | 0.01 |
| 29 | Savara | 27 | 0.00 |
| 30 | Dimasa | 26 | 0.00 |
| 31 | English | 16 | 0.00 |
| 32 | Kannada | 15 | 0.00 |
| 33 | Deori | 15 | 0.00 |
| 34 | Kokbarak | 14 | 0.00 |
| 35 | Gujarati | 13 | 0.00 |
| 36 | Mahili | 10 | 0.00 |
| 37 | Karbi/Mikir | 10 | 0.00 |
| 38 | Lushai/Mizo | 10 | 0.00 |
| 39 | Khasi | 9 | 0.00 |
| 40 | Bhatia | 8 | 0.00 |
| 41 | Ao | 6 | 0.00 |
| 42 | Arabic/Arbi | 6 | 0.00 |
| 43 | Paite | 6 | 0.00 |
| 44 | Baori | 5 | 0.00 |
| 45 | Kachari | 4 | 0.00 |
| 46 | Bishnupriya Manipuri/Manipuri Bishnupriya | 4 | 0.00 |
| 47 | Rongmei | 4 | 0.00 |
| 48 | Dogri | 3 | 0.00 |
| 49 | Sindhi | 3 | 0.00 |
| 50 | Thado | 3 | 0.00 |
| 51 | Chakma | 3 | 0.00 |
| 52 | Garhwali | 1 | 0.00 |
| 53 | Magadhi/Magahi | 1 | 0.00 |
| 54 | Konkani | 1 | 0.00 |
| 55 | Mongsen | 1 | 0.00 |
| 56 | Ho | 1 | 0.00 |
| 57 | Tulu | 1 | 0.00 |
| 58 | Gangte | 1 | 0.00 |
| 59 | Konyak | 1 | 0.00 |
| Total | 738804 | ||