Census statistics show mining towns, particularly in the Pilbara, are now the highest earning regions in Australia.
Apart from Forrest, in the Australian Capital Territory, the Pilbara areas of Karratha, Newman, Port Hedland and South Hedland are the richest regions in the nation.
Suburbs of the ACT have always reported high earnings because of the presence of senior public servants.
Outside WA the Queensland town of Moranbah, benefiting from the Bowen Basin's booming coal industry, and Roxby Downs in South Australia, near BHP's Olympic Dam development, also make an appearance in the top ten.
Nhulunbuy in the Northern Territory rounds out the richest 20, and is the NT's only region to make the listing, leveraging off the area's bauxite mining industry.
The Census Stats blog writes at a median of 32, the average age of rich mining towns is around eight years younger than top earning non-mining regions.
"It looks like Australia's mining boom is fuelling a generation of wealthy, young Australian residents," it says.