The jury shall consist of six persons. A civil jury trial contains 6 jurors, who listen to a case generally involving a dispute between 2 or more parties.Most often, you will be called to serve on a trial jury, generally made up of 12 individuals for criminal trials and 6 for civil trials. Most Maryland court forms and brochures are available in this index. Present your evidence in a way that supports your story. Prepare for the unexpected and remain focused. For questions regarding Jury Duty, please call 240-777-9090. Please have your badge ID number available when you call. You may be called for jury duty to appear on a specific day in this court once in three years.