| Tehsil | Population | Area (km2) | Pop. Density | Sex-ratio |
|---|---|---|---|---|
| Tamenglong West | 27742 | 1263 | 22 | 984 |
| Rongli | 27741 | 216 | 128 | 925 |
| Nichar | 27683 | 1141.32 | 24 | 790 |
| Damchhara | 27635 | 189.90 | 146 | 966 |
| Daitari | 27571 | 281.71 | 98 | 977 |
| Badmal | 27566 | 84.37 | 327 | 877 |
| Phek Sadar | 27407 | 327.25 | 84 | 868 |
| Duttalur | 27291 | 260.61 | 105 | 973 |
| Galore | 26957 | 78.18 | 345 | 1120 |
| Thelkoloi | 26915 | 133.82 | 201 | 952 |
| Namsai | 26865 | 145.04 | 185 | 908 |
| Rengali | 26859 | 141.30 | 190 | 949 |
| Bhusan Steel Limited | 26821 | 80.75 | 332 | 837 |
| Golokganj (Pt) | 26671 | 90.59 | 294 | 956 |
| Brajarajnagar | 26484 | 114.37 | 232 | 963 |
| Banigochha | 26348 | 350.03 | 75 | 1008 |
| Rompicherla | 26335 | 138.59 | 190 | 1000 |
| Khonsa | 26295 | 545.35 | 48 | 863 |
| Kanda | 26272 | 293.56 | 89 | 1127 |
| Nankhari | 26238 | 157.26 | 167 | 974 |