state electoral district means an electorate in the lower house or legislative assembly of australian states and territories. most state electoral districts (except australian capital territory and tasmania, which have multi-member electorates using a proportional voting method) send a single member to a state or territory's parliament using the preferential method of voting. the size of a state electoral district depends on the electoral acts in the state and vary in size between them. at present, there are 407 state electoral districts in australia.