Postcode Wars

Australia's suburbs, ranked

League tables built from the 2021 Census and SEIFA. See which suburbs sit highest and lowest on income, rent, socio-economic advantage and more. Every figure links to the full suburb profile.

Median household income ABS 2021 Census Highest Longueville, NSW $4,894Lowest Sapphire Central, QLD $644 Median weekly rent ABS 2021 Census Highest Greenhills Beach, NSW $1,625Lowest Acton, ACT $9 SEIFA advantage (IRSAD) ABS SEIFA 2021 Highest Tamarama, NSW 1,209Lowest Gagebrook, TAS 634 Median age ABS 2021 Census Highest Tea Gardens, NSW 69Lowest Acton, ACT 19 Overseas-born share ABS 2021 Census Highest Haymarket, NSW 85.8%Lowest Cherbourg, QLD 0.0% Home ownership rate ABS 2021 Census Highest Springvale, NSW 98.8%Lowest Galiwinku, NT 0.0%
See all suburb rankings

National data at a glance

17,265
Suburbs and localities
Suburb, Postcodes data 2026
520
Local Government Areas
LGA, ASGS 2021
8
States and territories
State, RefDat metadata 2026

What the data reveals

LGA-level signals from SEIFA, Census and ACARA. SEIFA and rental cards use council areas with population of at least 5,000. Population and school cards rank individual LGAs only.

Most advantaged council areas Woollahra, NSW: IRSAD 1,172 LGA, SEIFA 2021 Most disadvantaged council areas Roper Gulf, NT: IRSD 536 LGA, SEIFA 2021 Largest council areas Brisbane, QLD: 1,242,756 people LGA, Census 2021 Largest school networks Brisbane, QLD: 319 schools LGA, ACARA 2025 Most rental-heavy LGAs West Arnhem, NT: 95.9% renting LGA, Census 2021

Browse all Australian Local Government Areas

Browse by State

New South Wales NSW · 5,052 suburbs Victoria VIC · 3,330 suburbs Queensland QLD · 3,726 suburbs Western Australia WA · 1,784 suburbs South Australia SA · 2,014 suburbs Tasmania TAS · 807 suburbs Australian Capital Territory ACT · 164 suburbs Northern Territory NT · 388 suburbs

About This Directory

Postcodes is built as a suburb data layer, not just a postcode finder. Each suburb page combines postcode, phone area code, Census demographics, median income, rent and mortgage data, country of birth, employment, health conditions, SEIFA socio-economic rankings, local school information and LGA context where available.

Data sources: Australian Bureau of Statistics 2021 Census of Population and Housing (CC BY 4.0), ABS Socio-Economic Indexes for Areas (SEIFA) 2021, Australian Curriculum Assessment and Reporting Authority (ACARA) school data 2025.

Read the full methodology and data limitations