There are a total of 82 counties in the state of Mississippi. Among them, Adams County is the oldest one (established in 1799) while Humphreys County is the youngest (established in 1918). With population of 245,285, Hinds County is the most populated. The biggest county by land area is Yazoo County (1823 km2) and the smallest is Alcorn County (1,036 km2). Below please see all Mississippi counties which are listed in alphabetical order.
- Adams County, MS
- Alcorn County, MS
- Amite County, MS
- Attala County, MS
- Benton County, MS
- Bolivar County, MS
- Calhoun County, MS
- Carroll County, MS
- Chickasaw County, MS
- Choctaw County, MS
- Claiborne County, MS
- Clarke County, MS
- Clay County, MS
- Coahoma County, MS
- Copiah County, MS
- Covington County, MS
- DeSoto County, MS
- Forrest County, MS
- Franklin County, MS
- George County, MS
- Greene County, MS
- Grenada County, MS
- Hancock County, MS
- Harrison County, MS
- Hinds County, MS
- Holmes County, MS
- Humphreys County, MS
- Issaquena County, MS
- Itawamba County, MS
- Jackson County, MS
- Jasper County, MS
- Jefferson County, MS
- Jefferson Davis County, MS
- Jones County, MS
- Kemper County, MS
- Lafayette County, MS
- Lamar County, MS
- Lauderdale County, MS
- Lawrence County, MS
- Leake County, MS
- Lee County, MS
- Leflore County, MS
- Lincoln County, MS
- Lowndes County, MS
- Madison County, MS
- Marion County, MS
- Marshall County, MS
- Monroe County, MS
- Montgomery County, MS
- Neshoba County, MS
- Newton County, MS
- Noxubee County, MS
- Oktibbeha County, MS
- Panola County, MS
- Pearl River County, MS
- Perry County, MS
- Pike County, MS
- Pontotoc County, MS
- Prentiss County, MS
- Quitman County, MS
- Rankin County, MS
- Scott County, MS
- Sharkey County, MS
- Simpson County, MS
- Smith County, MS
- Stone County, MS
- Sunflower County, MS
- Tallahatchie County, MS
- Tate County, MS
- Tippah County, MS
- Tishomingo County, MS
- Tunica County, MS
- Union County, MS
- Walthall County, MS
- Warren County, MS
- Washington County, MS
- Wayne County, MS
- Webster County, MS
- Wilkinson County, MS
- Winston County, MS
- Yalobusha County, MS
- Yazoo County, MS
- Map of Mississippi Counties
