| County: | Perry County |
| State: | Mississippi |
| Founded: | 1820 |
| Seat Wl: | New Augusta |
| Largest City Wl: | Richton |
| City Type: | town |
| Area Total Sq Mi: | 650 |
| Area Land Sq Mi: | 647 |
| Area Water Sq Mi: | 3.0 |
| Area Percentage: | 0.5 |
| Population As Of: | 2020 |
| Population Total: | 11511 |
| Population Density Sq Mi: | auto |
| Ex Image: | Perry County Mississippi Courthouse.jpg |
| Ex Image Cap: | Perry County courthouse New Augusta |
| District: | 4th |
| Time Zone: | Central |
| Named For: | Oliver Hazard Perry |
Perry County is a county located in the U.S. state of Mississippi. As of the 2020 census, the population was 11,511.[1] The county seat is New Augusta.[2] The county is named after the War of 1812 naval hero, Oliver Hazard Perry.
Perry County is part of the Hattiesburg, MS Metropolitan Statistical Area.
Until 1906, the county seat was the old town of Augusta, near the center of the county on the east bank of the Leaf River. At Old Augusta, the outlaw James Copeland was executed by hanging on October 30, 1857.[3] Old Augusta remains a small village today. New Augusta, two miles south of Old Augusta, was made the county seat of Perry County, because it was situated on the Mobile, Jackson & Kansas City Railroad.[4]
According to the U.S. Census Bureau, the county has a total area of, of which is land and (0.5%) is water.[5]
| White (non-Hispanic) | 8,868 | 77.04% | |
| Black or African American (non-Hispanic) | 2,097 | 18.22% | |
| Native American | 45 | 0.39% | |
| Asian | 29 | 0.25% | |
| Pacific Islander | 3 | 0.03% | |
| Other/Mixed | 315 | 2.74% | |
| Hispanic or Latino | 154 | 1.34% |