| Tehsil | Population | Area (km2) | Pop. Density | Sex-ratio |
|---|---|---|---|---|
| Sechu-Zubza | 17369 | 357.78 | 49 | 814 |
| Dhansiripar | 17362 | 201.34 | 86 | 944 |
| Longkhim | 17306 | 157.14 | 110 | 944 |
| Aibawk | 17128 | 616.88 | 28 | 956 |
| S' Bungtlang | 17126 | 534 | 32 | 936 |
| Bhandari | 17124 | 332.13 | 52 | 914 |
| Khalsi | 17093 | 56.01 | 305 | 980 |
| Tobu | 16925 | 109.26 | 155 | 889 |
| Sandhol | 16925 | 59.42 | 285 | 1098 |
| Longding | 16897 | 233.26 | 72 | 997 |
| Chetheba | 16881 | 94.57 | 179 | 995 |
| Sangau | 16739 | 565.91 | 30 | 984 |
| Kamjong-Chassad | 16717 | 1104 | 15 | 915 |
| N.T.P.C. | 16590 | 19.41 | 855 | 911 |
| Rugudi | 16560 | 90.05 | 184 | 880 |
| Phungyar-Phaisat | 16539 | 679 | 24 | 943 |
| Kezocha | 16467 | 133.92 | 123 | 779 |
| Tamando | 16406 | 20.98 | 782 | 954 |
| Aitepyong | 16194 | 141.01 | 115 | 938 |
| Kiakata | 15777 | 138.62 | 114 | 1004 |