In the far north of NSW lies a surprising pocket of affluence, home to households that, on average, have more money invested outside of property and superannuation than anywhere else in Australia.

It’s not glamorous Byron Bay, the retreat de jour for Hollywood celebrities and stressed-out Sydneysiders alike, but instead the postcode of 2469 – an area that takes in the Northern Rivers agricultural towns of Bonalbo, Chatsworth, Mallanganee, Old Bonalbo, Rappville and Tabulam.