# Counties in Mississippi by population aged 18 to 64, 2025

All 82 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population_18_64_share`
- Unit: %
- Definition: Residents aged 18 to 64 as a percentage of total population on 1 July. United States: Census Bureau county population estimates by age; states and the nation are sums of their counties.
- Source: U.S. Census Bureau, Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties (https://www.census.gov/programs-surveys/popest/data/data-sets.html)
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/population-18-64/mississippi-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Issaquena County | 75.3 |
| 2 | Oktibbeha County | 69.1 |
| 3 | Lafayette County | 66.8 |
| 4 | Greene County | 63.2 |
| 5 | Itawamba County | 62.8 |
| 6 | Sunflower County | 62.8 |
| 7 | Forrest County | 62.3 |
| 8 | Stone County | 60.8 |
| 9 | DeSoto County | 60.7 |
| 10 | Lamar County | 60.6 |
| 11 | Rankin County | 60.2 |
| 12 | Tate County | 59.8 |
| 13 | Kemper County | 59.7 |
| 14 | Prentiss County | 59.3 |
| 15 | Adams County | 59.3 |
| 16 | Wilkinson County | 58.8 |
| 17 | Hinds County | 58.6 |
| 18 | Tallahatchie County | 58.6 |
| 19 | Marshall County | 58.6 |
| 20 | Harrison County | 58.5 |
| 21 | Yazoo County | 58.4 |
| 22 | Jackson County | 58.4 |
| 23 | Bolivar County | 58.4 |
| 24 | Claiborne County | 58.3 |
| 25 | Madison County | 58 |
| 26 | Tunica County | 57.9 |
| 27 | Leflore County | 57.9 |
| 28 | Lee County | 57.7 |
| 29 | Pontotoc County | 57.7 |
| 30 | Lowndes County | 57.7 |
| 31 | Holmes County | 57.6 |
| 32 | Copiah County | 57.5 |
| 33 | George County | 57.4 |
| 34 | Union County | 57.4 |
| 35 | Tippah County | 57.4 |
| 36 | Leake County | 57.1 |
| 37 | Newton County | 57.1 |
| 38 | Lauderdale County | 57.1 |
| 39 | Simpson County | 57 |
| 40 | Alcorn County | 56.9 |
| 41 | Covington County | 56.8 |
| 42 | Marion County | 56.7 |
| 43 | Coahoma County | 56.7 |
| 44 | Jefferson County | 56.7 |
| 45 | Perry County | 56.6 |
| 46 | Jones County | 56.5 |
| 47 | Pearl River County | 56.4 |
| 48 | Panola County | 56.4 |
| 49 | Humphreys County | 56.3 |
| 50 | Grenada County | 56.1 |
| 51 | Tishomingo County | 56.1 |
| 52 | Hancock County | 56.1 |
| 53 | Carroll County | 56 |
| 54 | Clay County | 56 |
| 55 | Lincoln County | 55.9 |
| 56 | Monroe County | 55.8 |
| 57 | Webster County | 55.8 |
| 58 | Scott County | 55.8 |
| 59 | Choctaw County | 55.8 |
| 60 | Quitman County | 55.7 |
| 61 | Neshoba County | 55.7 |
| 62 | Chickasaw County | 55.6 |
| 63 | Pike County | 55.6 |
| 64 | Benton County | 55.5 |
| 65 | Warren County | 55.4 |
| 66 | Noxubee County | 55.3 |
| 67 | Wayne County | 55.3 |
| 68 | Jefferson Davis County | 55.1 |
| 69 | Jasper County | 55.1 |
| 70 | Washington County | 55 |
| 71 | Winston County | 55 |
| 72 | Clarke County | 54.9 |
| 73 | Lawrence County | 54.8 |
| 74 | Walthall County | 54.4 |
| 75 | Calhoun County | 54.3 |
| 76 | Yalobusha County | 54.1 |
| 77 | Attala County | 54 |
| 78 | Smith County | 54 |
| 79 | Franklin County | 53.6 |
| 80 | Montgomery County | 53.5 |
| 81 | Amite County | 52.6 |
| 82 | Sharkey County | 50.8 |