South Australia · Postcode 5422
Cavenagh postcode and suburb data
South Australia · Phone area code 08 · 255 km from Adelaide
Suburb snapshot
Cavenagh 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 Cavenagh ranks: household income sits in the bottom 10% of SA suburbs; rents sit in the cheapest 10% in SA; SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Cavenagh vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Cavenagh | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $450 -SA | $1,545 | $1,836 |
| Median age | 40 | 45.0 | 45.0 |
| SEIFA decile | 2/10 -SA | 5.0/10 | 6.0/10 |
| Unemployment | 0.0% -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.
Cavenagh is a remote community in South Australia, with postcode 5422. It lies roughly 255 km from Adelaide, classified by the ABS as remote Australia. The area is administered by Peterborough.
According to the 2021 Census, Cavenagh has a population of 6 with a median age of 40. The median weekly household income is $450, below the SA average.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Cavenagh scores in decile 2 out of 10, which is well below the national average.
Cavenagh is part of the Mid North statistical area in South Australia.
Cavenagh details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5422 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 6 |
| Median Age | 40 years |
| Median Household Income (Census 2021) | $450/week |
| Median Personal Income (Census 2021) | $225/week |
| Average Household Size | 2 persons |
| Area | 328.1 km² |
| Population Density | 0/km² |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 2/10 (well below average) |
| Latitude | -32.6660252 |
| Longitude | 139.0595961 |
| Distance from Adelaide | 255 km |
| Region (SA4) | Barossa - Yorke - Mid North |
| Area (SA3) | Mid North |
| Local Government | Peterborough |
| Federal Electorate | Grey |
| State Electorate | Stuart |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 0 (0.0%) |
SEIFA socio-economic index
Suburbs Near Cavenagh
Same Postcode (5422)
More Cavenagh 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.