Adelaide Postcode
South Australia
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Adelaide Compares
Adelaide vs the SA average and the national average (2021 Census, population-weighted).
| Metric | Adelaide | SA avg | AU avg | Greater Adelaide |
|---|---|---|---|---|
| Household income/wk | $1,365 -SA | $1,545 | $1,836 | $1,620 |
| Rent/wk | $400 +SA | $308 | $390 | $329 |
| Mortgage/month | $1,733 +SA | $1,558 | $1,958 | $1,666 |
| Median age | 31 | 45.0 | 45.0 | 42.0 |
| SEIFA decile | 9/10 +SA | 5.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 10.5% +SA | 6.0% | 5.0% | 6.0% |
Green pill = at least 10% above the SA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Adelaide (5000) is the central business district of South Australia's capital, a harbourside CBD and the postal base of the wider metropolitan area. It forms the heart of the Adelaide local government area. The CBD footprint covers roughly 10.5 square kilometres.
According to the 2021 Census, Adelaide has a population of 18,202 with a median age of 31. The median weekly household income is $1,365, below the SA average. The unemployment rate is 10.5%, higher than the SA average. The Indigenous population is 277 (1.5% of residents).
Housing in Adelaide includes a median weekly rent of $400, median monthly mortgage repayment of $1,733, with 8,254 total dwellings. These housing costs sit above the SA average. Rental properties account for 66.3% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Adelaide scores in decile 9 out of 10, which is well above the national average.
There are 11 schools in the Adelaide area, including Adelaide High School, Adelaide Botanic High School, St Aloysius College and others.
Adelaide is part of the Adelaide City statistical area in South Australia.
Adelaide Details
| Postcode | 5000 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 18,202 |
| Median Age | 31 years |
| Median Household Income (Census 2021) | $1,365/week |
| Median Personal Income (Census 2021) | $726/week |
| Median Weekly Rent (Census 2021) | $400 |
| Median Monthly Mortgage (Census 2021) | $1,733 |
| Average Household Size | 1.8 persons |
| Area | 10.5 km² |
| Population Density | 1736/km² |
| Total Dwellings | 8,254 |
| Australian Citizens | 52.7% |
| Indigenous Population | 277 (1.5%) |
| Unemployment Rate | 10.5% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -34.9328294 |
| Longitude | 138.6038129 |
| Distance from Adelaide | 1 km |
| Region (SA4) | Adelaide - Central and Hills |
| Area (SA3) | Adelaide City |
| Local Government | Adelaide |
| Federal Electorate | Adelaide |
Age Profile
Show counts
| 0–14 years | 943 (5.2%) |
| 15–24 years | 4,563 (25.1%) |
| 25–44 years | 7,375 (40.5%) |
| 45–64 years | 3,203 (17.6%) |
| 65+ years | 2,123 (11.7%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 1,003 (5.5%) |
| Arthritis | 785 (4.3%) |
| Diabetes | 477 (2.6%) |
| Heart Disease | 450 (2.5%) |
| Cancer | 386 (2.1%) |
| Lung Condition | 173 (1.0%) |
| Dementia | 49 (0.3%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 3,055 (37.7%) |
| 1 vehicle | 3,933 (48.5%) |
| 2 vehicles | 958 (11.8%) |
| 3+ vehicles | 166 (2.0%) |
Schools in Adelaide
Suburbs Near Adelaide
Same Postcode (5000)
More Adelaide Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.