South Australia · Postcode 5309
Halidon postcode and suburb data
South Australia · Phone area code 08 · 142 km from Adelaide
Suburb snapshot
Halidon 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 Halidon 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
Halidon vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Halidon | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $450 -SA | $1,545 | $1,836 |
| Median age | 23 | 45.0 | 45.0 |
| SEIFA decile | 2/10 -SA | 5.0/10 | 6.0/10 |
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.
Halidon is a locality 142 km from Adelaide in South Australia, classified as outer regional by the ABS. The postcode is 5309. It falls within the South Australia - South East region. The local government area is Karoonda East Murray.
According to the 2021 Census, Halidon has a population of 13 with a median age of 23. The median weekly household income is $450, below the SA average.
Housing in Halidon includes a 5 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, Halidon scores in decile 2 out of 10, which is well below the national average.
Halidon is part of the Murray and Mallee statistical area in South Australia.
Halidon details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5309 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 13 |
| Median Age | 23 years |
| Median Household Income (Census 2021) | $450/week |
| Median Personal Income (Census 2021) | $75/week |
| Average Household Size | 3 persons |
| Area | 127.6 km² |
| Population Density | 0/km² |
| Total Dwellings | 5 |
| Australian Citizens | 38.5% |
| SEIFA IRSAD Decile | 2/10 (well below average) |
| Latitude | -34.8745329 |
| Longitude | 140.1597517 |
| Distance from Adelaide | 142 km |
| Region (SA4) | South Australia - South East |
| Area (SA3) | Murray and Mallee |
| Local Government | Karoonda East Murray |
| Federal Electorate | Barker |
| State Electorate | Chaffey |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 7 (53.8%) |
| 15–24 years | 4 (30.8%) |
| 25–44 years | 3 (23.1%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 0 (0.0%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 5 (38.5%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Suburbs Near Halidon
Same Postcode (5309)
More Halidon 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.