Tamil nadu
| District Code | State/District | Population 2011 | Percentage Decadal Growth Rate of Population | Sex- Ratio (Number of Females per 1000 Males) | Population Density per sq. km. |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Persons | Males | Females | 1991-01 | 2001-11 | 2001 | 2011 | 2001 | 2011 | ||
| 010 | Thiruvallur | 3725697 | 1878559 | 1847138 | 23.06 | 35.25 | 971 | 983 | 776 | 1049 |
| 020 | Chennai | 4681087 | 2357633 | 2323454 | 13.07 | 7.77 | 957 | 986 | 24963 | 26903 |
| 030 | Kancheepuram | 3990897 | 2010309 | 1980588 | 19.15 | 38.69 | 975 | 985 | 668 | 927 |
| 040 | Vellore | 3928106 | 1959676 | 1968430 | 14.9 | 12.96 | 997 | 1004 | 572 | 646 |
| 050 | Dharmapuri | 1502900 | 772490 | 730410 | 15.27 | 16.04 | 932 | 946 | 286 | 332 |
| 051 | Krishnagiri | 1883731 | 963152 | 920579 | 19.62 | 20.67 | 944 | 956 | 307 | 370 |
| 060 | Tiruvannamalai | 2468965 | 1238688 | 1230277 | 7.01 | 12.94 | 995 | 993 | 353 | 399 |
| 070 | Viluppuram | 3463284 | 1744832 | 1718452 | 7.43 | 16.99 | 984 | 985 | 412 | 482 |
| 080 | Salem | 3480008 | 1780569 | 1699439 | 17.2 | 15.37 | 929 | 954 | 575 | 663 |
| 090 | Namakkal | 1721179 | 866740 | 854439 | 12.91 | 15.25 | 966 | 986 | 439 | 506 |
| 100 | Erode | 2259608 | 1134191 | 1125417 | 11.85 | 12.05 | 968 | 992 | 354 | 397 |
| 110 | The Nilgiris | 735071 | 360170 | 374901 | 7.31 | -3.55 | 1014 | 1041 | 299 | 288 |
| 120 | Coimbatore | 3472578 | 1735362 | 1737216 | 16.96 | 18.46 | 968 | 1001 | 631 | 748 |
| 121 | Tiruppur | 2471222 | 1242974 | 1228248 | 25.34 | 29.69 | 963 | 988 | 367 | 476 |
| 130 | Dindigul | 2161367 | 1081934 | 1079433 | 9.22 | 12.39 | 986 | 998 | 317 | 357 |
| 140 | Karur | 1076588 | 534392 | 542196 | 9.54 | 15.06 | 1010 | 1015 | 323 | 371 |
| 150 | Tiruchirappalli | 2713858 | 1347863 | 1365995 | 10.1 | 12.22 | 1001 | 1013 | 536 | 602 |
| 160 | Perambalur | 564511 | 281436 | 283075 | 9.45 | 14.36 | 1006 | 1006 | 282 | 323 |
| 170 | Ariyalur | 752481 | 373319 | 379162 | 9.29 | 8.19 | 1006 | 1016 | 358 | 387 |
| 180 | Cuddalore | 2600880 | 1311151 | 1289729 | 7.66 | 13.80 | 986 | 984 | 617 | 702 |
| 190 | Nagapattinam | 1614069 | 797214 | 816855 | 8.07 | 8.41 | 1014 | 1025 | 616 | 668 |
| 200 | Thiruvarur | 1268094 | 627616 | 640478 | 6.31 | 8.43 | 1014 | 1020 | 492 | 533 |
| 210 | Thanjavur | 2402781 | 1183112 | 1219669 | 7.91 | 8.42 | 1021 | 1031 | 638 | 691 |
| 220 | Pudukkottai | 1618725 | 803337 | 815388 | 9.98 | 10.90 | 1015 | 1015 | 314 | 348 |
| 230 | Sivaganga | 1341250 | 670597 | 670653 | 4.74 | 16.09 | 1038 | 1000 | 279 | 324 |
| 240 | Madurai | 3041038 | 1528308 | 1512730 | 7.41 | 17.95 | 978 | 990 | 698 | 823 |
| 250 | Theni | 1243684 | 624922 | 618762 | 4.25 | 13.69 | 978 | 990 | 381 | 433 |
| 260 | Virudhunagar | 1943309 | 967437 | 975872 | 11.9 | 10.96 | 1012 | 1009 | 409 | 454 |
| 270 | Ramanathapuram | 1337560 | 676574 | 660986 | 6.12 | 12.63 | 1036 | 977 | 284 | 320 |
| 280 | Thoothukkudi | 1738376 | 858919 | 879457 | 7.92 | 9.14 | 1050 | 1024 | 347 | 378 |
| 290 | Tirunelveli | 3072880 | 1518595 | 1554285 | 8.93 | 13.66 | 1042 | 1024 | 403 | 458 |
| 300 | Kanniyakumari | 1863174 | 926800 | 936374 | 4.73 | 11.17 | 1014 | 1010 | 995 | 1106 |