(a) The board consists of five directors elected from single-member voting subdistricts established by the board.
(b) The board shall revise each single-member subdistrict after each federal decennial census to reflect population changes. At the first election after the subdistricts are revised, a new director shall be elected from each subdistrict. The directors shall draw lots to determine which two directors shall serve two-year terms and which three directors shall serve four-year terms.
(c) Directors serve staggered four-year terms.
(d) An election shall be held on the uniform election date in May of each even-numbered year to elect the appropriate number of directors.