| District 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% |
| South Zone Total | 39443917 | 7435139 | 18.85% | 2165327 | 5.49% | 29612105 | 75.07% | 228574 | 0.58% |
| State Total | 10088119 | 2577454 | 25.55% | 182999 | 1.81% | 7315714 | 72.52% | 10196 | 0.1% |
| Thiruvallur (01) | 368152 | 129069 | 35.06% | 9885 | 2.69% | 228419 | 62.04% | 716 | 0.19% |
| Kancheepuram (03) | 432465 | 159876 | 36.97% | 7384 | 1.71% | 264474 | 61.16% | 703 | 0.16% |
| Vellore (04) | 587123 | 150325 | 25.6% | 17642 | 3% | 418655 | 71.31% | 447 | 0.08% |
| Tiruvannamalai (05) | 488091 | 118316 | 24.24% | 24351 | 4.99% | 344583 | 70.6% | 299 | 0.06% |
| Viluppuram (06) | 671784 | 210351 | 31.31% | 17795 | 2.65% | 443263 | 65.98% | 272 | 0.04% |
| Salem (07) | 501419 | 90979 | 18.14% | 29111 | 5.81% | 381045 | 75.99% | 284 | 0.06% |
| Namakkal (08) | 285291 | 69028 | 24.2% | 15632 | 5.48% | 199784 | 70.03% | 842 | 0.3% |
| Erode (09) | 322172 | 67053 | 20.81% | 5727 | 1.78% | 249007 | 77.29% | 385 | 0.12% |
| The Nilgiris (10) | 84323 | 27081 | 32.12% | 6501 | 7.71% | 50696 | 60.12% | 44 | 0.05% |
| Dindigul (11) | 368203 | 88892 | 24.14% | 1636 | 0.44% | 277231 | 75.29% | 444 | 0.12% |
| Karur (12) | 176084 | 43401 | 24.65% | 382 | 0.22% | 132239 | 75.1% | 62 | 0.04% |
| Tiruchirappalli (13) | 368071 | 79636 | 21.64% | 3879 | 1.05% | 283788 | 77.1% | 768 | 0.21% |
| Perambalur (14) | 122676 | 39757 | 32.41% | 639 | 0.52% | 82233 | 67.03% | 44 | 0.04% |
| Ariyalur (15) | 175439 | 41543 | 23.68% | 2596 | 1.48% | 131279 | 74.83% | 14 | 0.01% |
| Cuddalore (16) | 436344 | 153735 | 35.23% | 2860 | 0.66% | 279623 | 64.08% | 114 | 0.03% |
| Nagapattinam (17) | 318840 | 120720 | 37.86% | 627 | 0.2% | 197136 | 61.83% | 346 | 0.11% |
| Thiruvarur (18) | 258848 | 102135 | 39.46% | 365 | 0.14% | 156231 | 60.36% | 117 | 0.05% |
| Thanjavur (19) | 407041 | 95221 | 23.39% | 510 | 0.13% | 310868 | 76.37% | 412 | 0.1% |
| Pudukkottai (20) | 313859 | 62664 | 19.97% | 173 | 0.06% | 250972 | 79.96% | 44 | 0.01% |
| Sivaganga (21) | 240032 | 50519 | 21.05% | 68 | 0.03% | 189308 | 78.87% | 115 | 0.05% |
| Madurai (22) | 329414 | 69912 | 21.22% | 1540 | 0.47% | 257412 | 78.14% | 528 | 0.16% |
| Theni (23) | 151886 | 37535 | 24.71% | 344 | 0.23% | 113956 | 75.03% | 51 | 0.03% |
| Virudhunagar (24) | 340545 | 87423 | 25.67% | 588 | 0.17% | 251271 | 73.78% | 670 | 0.2% |
| Ramanathapuram (25) | 238720 | 55151 | 23.1% | 234 | 0.1% | 183184 | 76.74% | 150 | 0.06% |
| Thoothukkudi (26) | 257307 | 71280 | 27.7% | 476 | 0.18% | 185491 | 72.09% | 60 | 0.02% |
| Tirunelveli (27) | 422627 | 100991 | 23.9% | 1139 | 0.27% | 320115 | 75.74% | 382 | 0.09% |
| Kanniyakumari (28) | 166505 | 8217 | 4.93% | 1178 | 0.71% | 157085 | 94.34% | 25 | 0.02% |
| Dharmapuri (29) | 323955 | 52141 | 16.1% | 16952 | 5.23% | 254594 | 78.59% | 268 | 0.08% |
| Krishnagiri (30) | 343293 | 52844 | 15.39% | 6228 | 1.81% | 283917 | 82.7% | 304 | 0.09% |
| Coimbatore (31) | 268951 | 59649 | 22.18% | 5868 | 2.18% | 202160 | 75.17% | 1021 | 0.38% |
| Tiruppur (32) | 318659 | 82010 | 25.74% | 689 | 0.22% | 235695 | 73.96% | 265 | 0.08% |