Forms are available in Room 137 of the Miami-Dade County Courthouse and at the district court locations. Please dress in appropriate business attire.Shorts and uniforms are not permitted. How many jurors are on a small claims court jury? As per Miami-Dade County Civil Court, 18 jurors sit on a jury when requested. You may fill out an affidavit at the Clerk's office which will place your name on the list of those eligible for selection. The majority of jury trials in Florida take place before one judge sitting as judge of the circuit court.