I've spent a couple of hours attempting to navigate the website, which to my statistically, and perhaps technologically, challenged mind isn't the easiest to come to grips with (it assumes a higher degree of familiarity with terminology/jargon than I possess), but have noted some points, eg
# The total population of Australia exceeds 20 million only if non-residents are included;
# The population of South Australia isn't growing as rapidly as that of the rest of Australia;
# The population of my suburb has declined slightly, though the average age of the residents is considerably higher than the national average, which is not surprising given the number of
Anyway, if you have the slightest interest in how Australia is changing it's well worth spending some time exploring the data. Even on this first release you can drill down to your local level: you can type in your address and be directed to a profile of your suburb/ town/ local government area / "statistical division". Unlike Google Earth, however, you can't access the details of the people living at each address, nor their pets, as you apparently are able to do in the USA . Next time, maybe.