| Rang | Etat | Habitants par km² | Superficie | Population |
| 1 | New Jersey | 388.88 | 22 608 | 8 791 894 |
| 2 | Connecticut | 284.58 | 12 559 | 3 574 097 |
| 3 | Rhode Island | 262.81 | 4 005 | 1 052 567 |
| 4 | Massachusetts | 239.31 | 27 360 | 6 547 629 |
| 5 | Maryland | 179.53 | 32 160 | 5 773 552 |
| 6 | Delaware | 139.17 | 6 452 | 897 934 |
| 7 | New York | 137.23 | 141 205 | 19 378 102 |
| 8 | Floride | 110.3 | 170 451 | 18 801 310 |
| 9 | Ohio | 98.86 | 116 096 | 11 477 557 |
| 10 | Pennsylvanie | 96.72 | 119 283 | 11 536 504 |
| 11 | Californie | 90.86 | 410 000 | 37 253 956 |
| 12 | Illinois | 85.54 | 149 998 | 12 830 632 |
| 13 | Hawaii | 81.16 | 16 760 | 1 360 301 |
| 14 | Virginie | 72.17 | 110 862 | 8 001 024 |
| 15 | Indiana | 68.74 | 94 321 | 6 483 802 |
| 16 | Caroline du Nord | 68.35 | 139 509 | 9 535 483 |
| 17 | Georgie | 62.88 | 154 077 | 9 687 653 |
| 18 | Tennessee | 58.09 | 109 247 | 6 346 105 |
| 19 | Caroline du Sud | 55.75 | 82 965 | 4 625 364 |
| 20 | New Hampshire | 54.31 | 24 239 | 1 316 470 |
| 21 | Kentucky | 41.43 | 104 749 | 4 339 367 |
| 22 | Michigan | 39.39 | 250 941 | 9 883 640 |
| 23 | Washington | 36.38 | 184 824 | 6 724 540 |
| 24 | Alabama | 35.21 | 135 765 | 4 779 736 |
| 25 | Louisiane | 33.73 | 134 382 | 4 533 372 |
| 26 | Wisconsin | 33.49 | 169 790 | 5 686 986 |
| 27 | Missouri | 33.14 | 180 693 | 5 988 927 |
| 28 | Texas | 31.28 | 696 241 | 21 775 044 |
| 29 | Virginie-Occidentale | 29.5 | 62 809 | 1 852 994 |
| 30 | Vermont | 25.11 | 24 923 | 625 741 |
| 31 | Mississippi | 23.64 | 125 546 | 2 967 297 |
| 32 | Minnesota | 23.53 | 225 365 | 5 303 925 |
| 33 | Arizona | 21.65 | 295 254 | 6 392 017 |
| 34 | Arkansas | 21.17 | 137 732 | 2 915 918 |
| 35 | Iowa | 20.9 | 145 743 | 3 046 355 |
| 36 | Oklahoma | 20.7 | 181 196 | 3 751 351 |
| 37 | Colorado | 18.64 | 269 837 | 5 029 196 |
| 38 | Maine | 15.35 | 86 542 | 1 328 361 |
| 39 | Oregon | 15.02 | 255 026 | 3 831 074 |
| 40 | Kansas | 13.38 | 213 283 | 2 853 118 |
| 41 | Utah | 12.56 | 220 080 | 2 763 885 |
| 42 | Nevada | 9.42 | 286 585 | 2 700 551 |
| 43 | Nebraska | 9.11 | 200 520 | 1 826 341 |
| 44 | Idaho | 7.24 | 216 632 | 1 567 582 |
| 45 | Nouveau Mexique | 6.53 | 315 194 | 2 059 179 |
| 46 | Dakota du Sud | 4.07 | 199 905 | 814 180 |
| 47 | Dakota du Nord | 3.67 | 183 272 | 672 591 |
| 48 | Columbia (district) | 2.9 | 175 | 601 723 |
| 49 | Montana | 2.6 | 381 156 | 989 415 |
| 50 | Wyoming | 2.22 | 253 554 | 563 626 |
| 51 | Alaska | 0.41 | 1 717 854 | 710 231 |
Source : www.census.gov