| Tehsil Name | Total Households | Number of SC Households | % of SC Households | Number of ST Households | % of ST Households | Number of Others Households | % of Others Households | Number of No Caste & Tribe Households | % No Caste & Tribe Households |
|---|---|---|---|---|---|---|---|---|---|
| All India Total | 179787454 | 33164085 | 18.45% | 19737399 | 10.98% | 123161662 | 68.5% | 3679958 | 2.05% |
| State Total | 10088119 | 2577454 | 25.55% | 182999 | 1.81% | 7315714 | 72.52% | 10196 | 0.1% |
| District Total | 407041 | 95221 | 23.39% | 510 | 0.13% | 310868 | 76.37% | 412 | 0.1% |
| Thiruvidaimarudur (001) | 41694 | 14149 | 33.94% | 103 | 0.25% | 27441 | 65.82% | 0 | 0% |
| Kumbakonam (002) | 60672 | 16826 | 27.73% | 44 | 0.07% | 43776 | 72.15% | 20 | 0.03% |
| Papanasam (003) | 52429 | 16070 | 30.65% | 155 | 0.3% | 36191 | 69.03% | 13 | 0.02% |
| Thiruvaiyaru (004) | 36889 | 10790 | 29.25% | 16 | 0.04% | 26080 | 70.7% | 3 | 0.01% |
| Thanjavur (005) | 61331 | 14884 | 24.27% | 86 | 0.14% | 46330 | 75.54% | 31 | 0.05% |
| Orathanadu (006) | 58377 | 9978 | 17.09% | 28 | 0.05% | 48356 | 82.83% | 15 | 0.03% |
| Pattukkottai (007) | 70626 | 9898 | 14.01% | 77 | 0.11% | 60309 | 85.39% | 330 | 0.47% |
| Peravurani (008) | 25023 | 2626 | 10.49% | 1 | 0% | 22385 | 89.46% | 0 | 0% |