| Household Size | |||||||||||
| S No. | State / UT | 1 | 2 | 3 | 4 | 5 | 6 | 7-10 | 11-14 | 15+ | Mean Household Size |
| 1 | India | 7,564,196 | 15,871,465 | 22,472,551 | 37,022,159 | 35,873,420 | 26,147,067 | 40,876,110 | 4,547,141 | 2,297,699 | 5.3 |
| 2 | Andaman & Nicobar Islands | 5,748 | 7,013 | 11,782 | 19,262 | 14,842 | 8,342 | 9,336 | 885 | 368 | 4.5 |
| 3 | Andhra Pradesh | 725,838 | 1,977,731 | 2,545,894 | 4,288,482 | 3,444,505 | 1,885,600 | 1,902,228 | 112,480 | 37,855 | 4.4 |
| 4 | Arunachal Pradesh | 17,784 | 20,065 | 26,878 | 34,433 | 33,675 | 27,961 | 48,210 | 3,407 | 929 | 5.0 |
| 5 | Assam | 161,109 | 308,810 | 567,875 | 863,602 | 919,609 | 742,053 | 1,193,892 | 107,680 | 33,867 | 5.4 |
| 6 | Bihar | 454,465 | 1,100,565 | 1,231,643 | 1,757,502 | 2,133,346 | 2,019,037 | 4,252,942 | 430,122 | 334,979 | 6.0 |
| 7 | Chandigarh | 18,404 | 20,956 | 29,042 | 51,421 | 39,590 | 22,174 | 21,420 | 1,697 | 431 | 4.3 |
| 8 | Chhattisgarh | 230,098 | 404,256 | 477,385 | 684,089 | 752,231 | 581,229 | 821,250 | 94,021 | 32,714 | 5.1 |
| 9 | Dadra & Nagar Haveli | 2,031 | 4,933 | 6,684 | 8,929 | 7,930 | 5,791 | 8,303 | 445 | 79 | 4.8 |
| 10 | Daman & Diu | 2,488 | 4,612 | 5,740 | 7,554 | 6,113 | 3,803 | 4,441 | 426 | 153 | 4.4 |
| 11 | Delhi | 124,842 | 208,095 | 323,869 | 577,970 | 541,907 | 378,575 | 493,307 | 49,995 | 19,490 | 5.0 |
| 12 | Goa | 16,806 | 29,477 | 47,593 | 68,551 | 55,157 | 32,808 | 36,974 | 3,841 | 1,158 | 4.5 |
| 13 | Gujarat | 351,351 | 766,364 | 1,040,854 | 1,917,637 | 1,926,418 | 1,400,157 | 1,941,094 | 202,205 | 73,716 | 5.2 |
| 14 | Haryana | 90,939 | 188,501 | 318,368 | 684,363 | 787,838 | 588,632 | 857,778 | 126,980 | 50,202 | 5.7 |
| 15 | Himachal Pradesh | 85,818 | 99,228 | 136,161 | 250,490 | 235,492 | 159,341 | 215,668 | 27,560 | 7,670 | 4.9 |
| 16 | Jammu & Kashmir | 31,782 | 62,244 | 107,438 | 202,650 | 265,891 | 249,605 | 559,934 | 52,011 | 27,989 | 6.4 |
| 17 | Jharkhand | 188,602 | 359,596 | 480,107 | 726,205 | 842,561 | 732,200 | 1,271,714 | 125,004 | 60,668 | 5.6 |
| 18 | Karnataka | 393,880 | 843,710 | 1,343,868 | 2,309,073 | 2,013,037 | 1,321,767 | 1,820,396 | 215,881 | 92,447 | 5.0 |
| 19 | Kerala | 215,033 | 528,797 | 978,070 | 1,940,857 | 1,342,618 | 719,828 | 841,565 | 110,700 | 30,343 | 4.7 |
| 20 | Lakshadweep | 791 | 701 | 1,018 | 1,352 | 1,205 | 1,126 | 2,780 | 741 | 243 | 6.0 |
| 21 | Madhya Pradesh | 467,547 | 845,839 | 1,032,188 | 1,723,043 | 2,022,952 | 1,656,518 | 2,616,872 | 329,726 | 145,055 | 5.5 |
| 22 | Maharashtra | 795,491 | 1,735,497 | 2,473,343 | 4,136,438 | 4,061,372 | 2,643,803 | 3,128,705 | 331,113 | 128,573 | 5 |
| 23 | Manipur@ | 6,746 | 17,833 | 37,200 | 58,471 | 68,378 | 62,775 | 112,447 | 7,360 | 1,746 | 5.7 |
| 24 | Meghalaya | 18,779 | 29,695 | 48,725 | 62,636 | 64,016 | 57,655 | 124,309 | 9,527 | 1,449 | 5.5 |
| 25 | Mizoram | 18,704 | 12,064 | 18,069 | 25,360 | 30,943 | 26,019 | 41,137 | 2,813 | 435 | 5.0 |
| 26 | Nagaland | 12,560 | 19,739 | 29,771 | 40,481 | 45,543 | 44,748 | 124,721 | 5,487 | 2,570 | 6.0 |
| 27 | Orissa | 380,067 | 813,795 | 1,081,874 | 1,540,051 | 1,492,850 | 1,048,413 | 1,238,111 | 83,395 | 28,550 | 4.7 |
| 28 | Pondicherry | 8,071 | 19,542 | 34,058 | 59,555 | 44,878 | 23,111 | 22,955 | 1,757 | 463 | 4.5 |
| 29 | Punjab | 118,815 | 229,213 | 377,350 | 809,303 | 935,320 | 698,960 | 987,466 | 127,080 | 46,279 | 5.6 |
| 30 | Rajasthan | 281,298 | 562,941 | 759,166 | 1,323,052 | 1,622,222 | 1,447,158 | 2,655,794 | 408,638 | 208,968 | 6.0 |
| 31 | Sikkim | 16,230 | 8,027 | 12,567 | 18,959 | 18,379 | 14,379 | 23,435 | 1,663 | 278 | 4.7 |
| 32 | Tamil Nadu | 750,351 | 1,762,718 | 2,470,253 | 3,893,827 | 2,858,141 | 1,477,280 | 1,327,035 | 50,974 | 12,962 | 4.2 |
| 33 | Tripura | 23,061 | 50,651 | 100,999 | 150,090 | 135,130 | 90,747 | 106,004 | 5,280 | 1,454 | 4.8 |
| 34 | Uttar Pradesh | 910,496 | 1,569,734 | 1,885,816 | 2,957,865 | 3,748,630 | 3,731,971 | 8,869,100 | 1,177,644 | 793,503 | 6.4 |
| 35 | Uttaranchal | 92,997 | 120,377 | 165,191 | 272,889 | 300,542 | 238,097 | 352,880 | 36,211 | 14,338 | 5.3 |
| 36 | West Bengal | 545,174 | 1,138,146 | 2,265,712 | 3,555,717 | 3,060,159 | 2,005,404 | 2,841,907 | 302,392 | 105,775 | 5.0 |
| Source: Census of India 2001 | |||||||||||
| Note: India figures exclude Mao Maram, Paomata and Purul sub-divisions of Senapati district of Manipur. | |||||||||||