The Western Australia Parliamentary Library Estimated Resident Population for 2023 is 2,883,245, with a population density of 1.14 persons per square km.
This site provides Census data based on the electoral boundaries current in Western Australia for the March 2021 state election.
The Western Australia Parliamentary Library Electorate Profiles provides demographic analysis for the State and smaller areas within it based on results from the 2021, 2016 and 2011 Censuses of Population and Housing. The profile is updated with population estimates when the Australian Bureau of Statistics (ABS) releases new figures.