| Name | Simpson County |
| State | Mississippi |
| FIPS Code | 28127 |
| County Seat | Mendenhall |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 25,653 |
| Population Growth Rate(2020-2024) | -1.13% |
| Majority Ethnicity | White 61.65% |
| Public School Majority Ethnicity | African American 50% |
| Partisan Voting Index | Republican:+18 |
| Unemployment Rate (May 2026) | 4.3% |
| Sales Tax Rate (2025) | 7% |
| Area Code(s) | 601 / 769 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 61.65% |
| African American | 35.71% |
| Hispanic | 1.7% |
| Asian | 0.47% |
| Native American | 0.16% |
| Hawaiin/Pacific Islander | 0.31% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 44.48% |
| African American | 50.37% |
| Hispanic | 1.33% |
| Asian | 0.57% |
| Native American | 0.17% |
| Hawaiin/Pacific Islander | 0% |