▁vote . ▁V oter ▁turn out ▁was ▁ 5 0 . 2 %. ▁ ▁Results ▁ ▁References ▁ ▁Category : 1 9 1 5 ▁elections ▁in ▁Central ▁America ▁Category : 1 9 1 5 ▁in ▁Costa ▁Rica ▁Category : E lections ▁in ▁Costa ▁Rica <0x0A> </s> ▁The ▁ 1 9 9 0 ▁Iowa ▁State ▁Senate ▁elections ▁took ▁place ▁as ▁part ▁of ▁the ▁bien n ial ▁ 1 9 9 0 ▁United ▁States ▁elections . ▁Iowa ▁vot ers ▁elected ▁state ▁sen ators ▁in ▁half ▁of ▁the ▁state ▁sen ate ' s ▁districts -- the ▁ 2 5 ▁odd - number ed ▁state ▁sen ate ▁districts . ▁State ▁sen ators ▁serve ▁four - year ▁terms ▁in ▁the ▁Iowa ▁State ▁Senate , ▁with ▁half ▁of ▁the ▁seats ▁up ▁for ▁election ▁each ▁cycle . ▁A ▁state wide ▁map ▁of ▁the ▁ 5 0 ▁state ▁Senate ▁districts ▁in ▁the ▁year ▁ 1 9 9 0 ▁is ▁provided ▁by ▁the ▁Iowa ▁General ▁Assembly ▁here . ▁ ▁The ▁primary ▁election ▁on ▁June ▁ 5 , ▁ 1 9 9 0 ▁determined ▁which ▁candidates ▁appeared ▁on ▁the ▁November ▁ 6 , ▁ 1 9 9 0 ▁general ▁election ▁ball ot . ▁Primary ▁election ▁results ▁can ▁be ▁obtained ▁here . ▁General ▁election ▁results ▁can ▁be ▁obtained ▁here . ▁▁ ▁The ▁ 1 9 9 0 ▁elections ▁were ▁the ▁last ▁in ▁Iowa ▁in ▁which ▁the ▁Lieutenant ▁Governor ▁performed ▁the ▁duties ▁of ▁" Pres ident ▁of ▁the ▁Senate ." ▁Starting ▁on ▁January ▁ 1 4 , ▁ 1 9 9 1 , ▁with ▁the