Meridian
- County:
- Lauderdale County
- County Seat:
- Yes
- Area (mi²):
- 53.741
- State:
- Mississippi
Meridian is a city located in Lauderdale County, Mississippi. Meridian has a 2026 population of 33,549. It is also the county seat of Lauderdale County. Meridian is currently declining at a rate of -0.6% annually and its population has decreased by -3.79% since the most recent census, which recorded a population of 34,872 in 2020.