The ABS provides data on various subjects such as economy, labor, people, health and the environment. In addition, the ABS provides data products on the Australian Census such as geospatial data in the form of DataPacks and GeoPackages, Census Longitudinal Datasets, and mesh block counts.
Data VIC is the data portal for the Victorian government. You can search for data by organization, format, and category. In addition, there is an API Developer portal for those who want to access data by API.
This is the data portal for the government of Western Australia. This data portal has data on a variety of categories such as maritime and infrastructure. In, addition, this data portal hosts a location data service and geospatial data.
This LibGuide from the University of Melbourne contains information on considerations on handling indigenous research data in terms of indigenous knowledge and the ethics and principles of handling indigenous data.
Research Organization and NGO Data Portals and Repositories
RDA is a data portal managed by the Australia Research Data Commons (ARDC) which allows one to find, access, and re-use data from over one hundred Australian research agencies, government agencies, and cultural institutions.