The voters in every county and in each city which has a circuit court, shall elect for a term of eight years, a clerk of such court unless otherwise provided by general law or special act. He shall be clerk of the circuit court and may also be the clerk of the governing body if the governing body so designates. He shall exercise all the powers conferred and perform all the duties imposed upon such officers by general law and may perform such other duties, not inconsistent with his office, as may be requested of him by the governing body.