Grand Jury. Federal jurors are paid $40 a day. Jurors can receive up to $50 a day after serving 45 days on a grand jury. (Employees of the federal government are paid their regular salary in lieu of this fee.) Jurors also are reimbursed for reasonable transportation expenses and parking fees.uror Pay. Federal jurors are paid $40 a day. While the majority of jury trials last less than a week, jurors can receive up to $50 a day after serving 10 days on a trial.