Mendenhall
- County:
- Simpson County
- County Seat:
- Yes
- Area (mi²):
- 5.348
- State:
- Mississippi
Mendenhall is a city located in Simpson County, Mississippi. Mendenhall has a 2026 population of 2,130. It is also the county seat of Simpson County. Mendenhall is currently declining at a rate of -0.51% annually and its population has decreased by -3.01% since the most recent census, which recorded a population of 2,196 in 2020.