Mississippi Code
Chapter 33 - Prosecutions Before Justice Court Judges
§ 99-33-9. Trial by jury

A defendant in a criminal case before a justice court judge where the potential period of incarceration is more than six (6) months in jail, in like manner as in civil cases, may demand a jury, and thereupon the justice shall proceed as in other cases. If the potential of incarceration is less than six (6) months in jail, there shall be no jury trial.