South Australia · Postcode 5700
Port Augusta postcode and suburb data
South Australia · Phone area code 08 · 281 km from Adelaide
Suburb snapshot
Port Augusta at a glance vs SA
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against SA
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Port Augusta ranks: household income sits in the bottom 25% of SA suburbs; SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Port Augusta vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Port Augusta | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,092 -SA | $1,545 | $1,836 |
| Rent/wk | $194 -SA | $308 | $390 |
| Mortgage/month | $979 -SA | $1,558 | $1,958 |
| Median age | 39 | 45.0 | 45.0 |
| SEIFA decile | 1/10 -SA | 5.0/10 | 6.0/10 |
| Unemployment | 8.1% +SA | 6.0% | 5.0% |
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.
Port Augusta is a remote community in South Australia, with postcode 5700. It lies roughly 281 km from Adelaide, classified by the ABS as remote Australia. The area is administered by Port Augusta.
According to the 2021 Census, Port Augusta has a population of 6,437 with a median age of 39. The median weekly household income is $1,092, below the SA average. The unemployment rate is 8.1%, higher than the SA average. The Indigenous population is 1,457 (22.6% of residents).
Housing in Port Augusta includes a median weekly rent of $194, median monthly mortgage repayment of $979, with 2,609 total dwellings. Housing costs in the area sit below the SA average. Rental properties account for 44.7% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Port Augusta scores in decile 1 out of 10, which is well below the national average.
There are 6 schools in the Port Augusta area, including Port Augusta Secondary School, Augusta Park Primary School, Seaview Christian College and others.
Port Augusta is part of the Outback - North and East statistical area in South Australia.
Port Augusta details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5700 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 6,437 |
| Median Age | 39 years |
| Median Household Income (Census 2021) | $1,092/week |
| Median Personal Income (Census 2021) | $635/week |
| Median Weekly Rent (Census 2021) | $194 |
| Median Monthly Mortgage (Census 2021) | $979 |
| Average Household Size | 2.2 persons |
| Area | 20.3 km² |
| Population Density | 318/km² |
| Total Dwellings | 2,609 |
| Australian Citizens | 85.5% |
| Indigenous Population | 1,457 (22.6%) |
| Unemployment Rate | 8.1% |
| SEIFA IRSAD Decile | 1/10 (well below average) |
| Latitude | -32.4952339 |
| Longitude | 137.7894394 |
| Distance from Adelaide | 281 km |
| Region (SA4) | South Australia - Outback |
| Area (SA3) | Outback - North and East |
| Local Government | Port Augusta |
| Federal Electorate | Grey |
| State Electorate | Stuart |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 1,177 (18.3%) |
| 15–24 years | 762 (11.8%) |
| 25–44 years | 1,662 (25.8%) |
| 45–64 years | 1,627 (25.3%) |
| 65+ years | 1,222 (19.0%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 755 (11.7%) |
| Arthritis | 707 (11.0%) |
| Diabetes | 529 (8.2%) |
| Heart Disease | 316 (4.9%) |
| Cancer | 225 (3.5%) |
| Lung Condition | 182 (2.8%) |
| Dementia | 67 (1.0%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 372 (14.6%) |
| 1 vehicle | 1,061 (41.6%) |
| 2 vehicles | 754 (29.6%) |
| 3+ vehicles | 362 (14.2%) |
Schools in Port Augusta
ACARA 2025 school profiles for schools located in Port Augusta. ICSEA is shown where ACARA publishes it.
Suburbs Near Port Augusta
Same Postcode (5700)
More Port Augusta 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.