The graph below ranks each Mississippi County by total residents according to the 2012 census estimates.
Mississippi total population by county
| County | Total Population |
| Hinds |  248,149 |
| Harrison | 193,702 |
| DeSoto | 166,317 |
| Rankin | 145,173 |
| Jackson | 140,039 |
| Madison | 98,555 |
| Lee | 84,960 |
| Lauderdale | 80,258 |
| Forrest | 76,925 |
| Jones | 68,582 |
| Lowndes | 59,698 |
| Lamar | 57,739 |
| Pearl River | 55,248 |
| Lafayette | 50,502 |
| Washington | 50,078 |
| Oktibbeha | 48,992 |
| Warren | 48,108 |
| Hancock | 45,266 |
| Pike | 40,118 |
| Alcorn | 37,228 |
| Marshall | 36,545 |
| Monroe | 36,422 |
| Lincoln | 34,896 |
| Panola | 34,427 |
| Bolivar | 34,078 |
| Adams | 32,145 |
| Leflore | 31,565 |
| Pontotoc | 30,498 |
| Neshoba | 29,698 |
| Copiah | 28,964 |
| Tate | 28,499 |
| Sunflower | 28,442 |
| Scott | 28,260 |
| Yazoo | 28,220 |
| Union | 27,398 |
| Simpson | 27,345 |
| Marion | 26,395 |
| Coahoma | 25,667 |
| Prentiss | 25,306 |
| Itawamba | 23,353 |
| Leake | 23,289 |
| George | 22,885 |
| Tippah | 21,925 |
| Grenada | 21,613 |
| Newton | 21,568 |
| Wayne | 20,656 |
| Clay | 20,428 |
| Tishomingo | 19,615 |
| Covington | 19,566 |
| Attala | 19,107 |
| Winston | 19,011 |
| Holmes | 18,743 |
| Stone | 18,060 |
| Chickasaw | 17,443 |
| Jasper | 16,554 |
| Clarke | 16,539 |
| Smith | 16,366 |
| Tallahatchie | 15,106 |
| Walthall | 15,103 |
| Calhoun | 14,842 |
| Greene | 14,300 |
| Amite | 12,966 |
| Lawrence | 12,557 |
| Yalobusha | 12,402 |
| Perry | 12,095 |
| Jefferson Davis | 12,089 |
| Noxubee | 11,210 |
| Montgomery | 10,596 |
| Tunica | 10,510 |
| Carroll | 10,439 |
| Kemper | 10,379 |
| Webster | 10,074 |
| Wilkinson | 9,457 |
| Claiborne | 9,377 |
| Humphreys | 9,207 |
| Benton | 8,713 |
| Choctaw | 8,333 |
| Franklin | 7,912 |
| Quitman | 7,798 |
| Jefferson | 7,659 |
| Sharkey | 4,805 |
| Issaquena | 1,393 |