Sydney's richest postcode varies slightly by metric (income vs. property value), but Double Bay (2028) often tops lists for highest average taxable income (over $350k), while Bellevue Hill (2023) is consistently among the wealthiest by both income and property prices (median well over $9M), with other top contenders being Point Piper (2027) and Vaucluse/Dover Heights (2030) in the Eastern Suburbs, and Palm Beach (2108) on the Northern Beaches.
The country's lowest-ranked postcode (4713) is in central Queensland, a place called Woorabinda south-west of Rockhampton. The least advantaged place in Sydney (for the third census running) is Claymore (2559), which is located in the Campbelltown council area and contains a lot of public housing.
The most expensive postcode in the UK is W1B and sits in the heart of London, where the average property price is £4.375 million, according to analysis by London property brokerage, Jefferies James. The postcode runs from Piccadilly Circus to Regents Park.
Yes, 0001 is a valid postcode in Australia, specifically for the Parliament House area in Canberra, Australian Capital Territory (ACT), representing the nation's capital and federal government functions, a special designation for a high-profile location. It's part of Australia's four-digit postcode system, often used for specific entities rather than general suburbs, and you can find details on the Australia Post website for postcode 0001.
The People's Republic of China's national postal service, China Post, has allocated postal code 999077 to Hong Kong, although this is only sporadically used when sending mail from mainland China. As China Post does not serve Hong Kong, this code is generally not used in any other scenarios and remains little-known.
Sydney, Australia
Sydney, often known as Australia's financial hub, consistently tops the list of the wealthiest cities in the region.
Madhapar, a village in the Kutch district of Gujarat, India, is recognized as Asia's richest village due to its extraordinary financial wealth.
The responsibility for the allocation of a postcode falls to Royal Mail. However they will not issue a postcode for a new street unless requested to do so by the Council.
Blacktown. Blacktown tops the list with a staggering 12,912 incidents. The most common crimes include property crimes such as burglary, theft, and motor vehicle theft, along with violent crimes like assault, robbery, and sexual assault.
Over the past decade, the Emerald City's millionaire population has grown a massive 28 per cent, now being home to 152,900 millionaires, 224 centi-millionaires and 22 billionaires – and that's all in USD, suggesting an even higher figure in Aussie dollars.
The cheapest places to live in Sydney are generally in the outer west and southwest, with suburbs like Blacktown, Fairfield, Mount Druitt, Minto, Lakemba, Cabramatta, and Tregear offering significantly lower rents and property prices compared to inner-city areas. These areas provide more affordable housing while still having decent train links to the CBD, with some spots in the Blue Mountains (like Hazelbrook) also being very budget-friendly if you don't mind a longer commute.
Top 20 Richest Suburbs in Sydney To Live
The "best" Sydney suburbs depend on your needs (family, investment, lifestyle), but top contenders often include Lane Cove, Wahroonga, and St Ives for families and safety; North Sydney and Mosman for prestige and CBD access; Milsons Point, Glebe, and Newtown for vibrant inner-city living; and Dee Why and Freshwater for coastal vibes, with Parramatta rising as a key growth hub in the west, according to lists from Urban Renters Agent, Open Agent, and The Property Tribune https://urbanrenters.com.au/blog/best-suburbs-in-sydney/, https://www.openagent.com.au/blog/best-suburbs-to-live-in-sydney,.
Suburbs set for a boom in 2025, particularly in Australia, are driven by affordability, lifestyle appeal (beaches, cafes), infrastructure (new transport links), and demographic shifts, with hotspots identified in Perth's northern coastal areas (Alkimos, Yanchep), Regional Queensland (Toowoomba), Melbourne's outer areas (Werribee, Keilor East), and Brisbane's growth zones (Springwood, Gold Coast's Coomera), as people seek value and better living environments outside major city centers.
Australia ranks twice on the top 50 list, with Sydney in 17th place and Melbourne in 30th place worldwide. Sydney is currently home to 205 centi-millionaires while Melbourne has 112.
The richest country by GDP (PPP) per capita is often cited as Singapore, followed closely by Luxembourg, depending on the specific report and year, with Singapore leading in 2025 estimates with around $156,000-$157,000 per person, while Luxembourg is a strong contender just below that, highlighting small, finance-heavy economies as wealthiest per person.
The city with the most ultra-wealthy people — those with a net worth above $30 million — by a large margin: New York. It's home to 21,380 such residents, up 23% from 2024, according to the report, which contains data through June and was published on September 30.
Point Piper consistently ranks as Sydney's most expensive suburb, known for multi-million dollar waterfront mansions and commanding median house prices well over $15 million, leading a pack of exclusive Eastern Suburbs and Lower North Shore locations like Bellevue Hill, Darling Point, and Vaucluse, driven by limited harbour views and old-money prestige.
Mungallala Methodist Church was built in 1964. It has now closed. In 2016, the Australian Taxation Office listed Mungallala as having the lowest mean taxable income by postcode, making it the poorest town in Australia, which led the ABC to do a documentary on the town for their online "storyhunters" program.
Postcode system is not adopted in Hong Kong, so you may fill in with 000000 or HKG which are frequently used. Postcode system is actually not adopted in Hong Kong, so you may fill in with 000000 or HKG which are frequently used.
US postal codes are exactly 5 digits, for example 10001. United Kingdom postal codes are alphanumeric and can be 5 to 7 characters long, for example SW1A 1AA or L1 8JQ. Canada postal codes are alphanumeric and exactly 6 characters, for example M5H 2N2. India postal codes are exactly 6 digits, for example 110001.
Lagos Postal Code for Ikeja postal office is 100001.