 Counties have since gone out of use in Australia, and are rarely used or even known by most of the population today.Part of the reason is that counties are based on the size of land, rather than population, so in a large country where most of the population live in cities on the coast while the countryside has a very low population density, they have little relevance.The counties which contain the capital cities have millions of people, while those in remote areas have a very small population.