South Australia · Postcode 5094
Cavan postcode and suburb data
South Australia · Phone area code 08 · 11 km from Adelaide
Suburb snapshot
Cavan 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 Cavan ranks: household income sits in the bottom 25% of SA suburbs; rents sit in the cheapest 10% in SA.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Cavan vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Cavan | SA avg | AU avg | Greater Adelaide |
|---|---|---|---|---|
| Household income/wk | $899 -SA | $1,545 | $1,836 | $1,620 |
| Median age | 17 | 45.0 | 45.0 | 42.0 |
| SEIFA decile | 8/10 +SA | 5.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 75.0% +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.
Postcode 5094 covers Cavan, an inland suburb of Adelaide about 11 km from the city centre. It forms part of the Adelaide - West region of South Australia. Local government services are provided by Salisbury.
According to the 2021 Census, Cavan has a population of 32 with a median age of 17. The median weekly household income is $899, below the SA average. The unemployment rate is 75.0%, higher than the SA average.
Housing in Cavan includes a 6 total dwellings. Housing costs in the area sit below the SA average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Cavan scores in decile 8 out of 10, which is above the national average.
Cavan is served by Youth Education Centre.
Cavan is part of the Port Adelaide - West statistical area in South Australia.
Cavan details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5094 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 32 |
| Median Age | 17 years |
| Median Household Income (Census 2021) | $899/week |
| Median Personal Income (Census 2021) | $280/week |
| Average Household Size | 2.3 persons |
| Area | 1.9 km² |
| Population Density | 17/km² |
| Total Dwellings | 6 |
| Australian Citizens | 37.5% |
| Unemployment Rate | 75.0% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -34.828 |
| Longitude | 138.598 |
| Distance from Adelaide | 11 km |
| Region (SA4) | Adelaide - West |
| Area (SA3) | Port Adelaide - West |
| Local Government | Salisbury |
| Federal Electorate | Makin |
| State Electorate | Taylor |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 23 (71.9%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 3 (9.4%) |
| 65+ years | 3 (9.4%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Diabetes | 8 (25.0%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 5 (100.0%) |
| 2 vehicles | 0 (0.0%) |
| 3+ vehicles | 0 (0.0%) |
Schools in Cavan
ACARA 2025 school profiles for schools located in Cavan. ICSEA is shown where ACARA publishes it.
Suburbs Near Cavan
Same Postcode (5094)
More Cavan 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.