South Australia · Postcode 5271
Joanna postcode and suburb data
South Australia · Phone area code 08 · 315 km from Adelaide
Suburb snapshot
Joanna 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 Joanna ranks: household income is in the top 25% of SA suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Joanna vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Joanna | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,875 +SA | $1,545 | $1,836 |
| Rent/wk | $250 -SA | $308 | $390 |
| Mortgage/month | $1,900 +SA | $1,558 | $1,958 |
| Median age | 50 | 45.0 | 45.0 |
| SEIFA decile | 8/10 +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.
Joanna is a remote community in South Australia, with postcode 5271. It lies roughly 315 km from Adelaide, classified by the ABS as remote Australia. The area is administered by Naracoorte Lucindale.
According to the 2021 Census, Joanna has a population of 106 with a median age of 50. The median weekly household income is $1,875, above the SA average.
Housing in Joanna includes a median weekly rent of $250, median monthly mortgage repayment of $1,900, with 40 total dwellings. These housing costs sit above the SA average. Owner-occupied dwellings (owned or mortgaged) make up 75.6% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Joanna scores in decile 8 out of 10, which is above the national average.
Joanna is part of the Limestone Coast statistical area in South Australia.
Joanna details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5271 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 106 |
| Median Age | 50 years |
| Median Household Income (Census 2021) | $1,875/week |
| Median Personal Income (Census 2021) | $844/week |
| Median Weekly Rent (Census 2021) | $250 |
| Median Monthly Mortgage (Census 2021) | $1,900 |
| Average Household Size | 2.4 persons |
| Area | 129.5 km² |
| Population Density | 1/km² |
| Total Dwellings | 40 |
| Australian Citizens | 87.7% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -37.0933764 |
| Longitude | 140.8683967 |
| Distance from Adelaide | 315 km |
| Region (SA4) | South Australia - South East |
| Area (SA3) | Limestone Coast |
| Local Government | Naracoorte Lucindale |
| Federal Electorate | Barker |
| State Electorate | Mackillop |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 14 (13.2%) |
| 15–24 years | 8 (7.5%) |
| 25–44 years | 22 (20.8%) |
| 45–64 years | 43 (40.6%) |
| 65+ years | 21 (19.8%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 8 (7.5%) |
| Arthritis | 7 (6.6%) |
| Heart Disease | 3 (2.8%) |
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 | 13 (31.0%) |
| 2 vehicles | 14 (33.3%) |
| 3+ vehicles | 15 (35.7%) |
Suburbs Near Joanna
Same Postcode (5271)
More Joanna 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.