South Australia · Postcode 5641
Barna postcode and suburb data
South Australia · Phone area code 08 · 262 km from Adelaide
Suburb snapshot
Barna 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 Barna ranks: household income sits in the bottom 10% of SA suburbs; rents sit in the cheapest 10% in SA; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Barna vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Barna | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $480 -SA | $1,545 | $1,836 |
| Mortgage/month | $6,000 +SA | $1,558 | $1,958 |
| Median age | 65 | 45.0 | 45.0 |
| SEIFA decile | 9/10 +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.
Barna is a remote community in South Australia, with postcode 5641. It lies roughly 262 km from Adelaide, classified by the ABS as remote Australia. The area is administered by Kimba.
According to the 2021 Census, Barna has a population of 30 with a median age of 65. The median weekly household income is $480, below the SA average.
Housing in Barna includes a median monthly mortgage repayment of $6,000, 17 total dwellings. These housing costs sit above 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, Barna scores in decile 9 out of 10, which is well above the national average.
Barna is part of the Eyre Peninsula and South West statistical area in South Australia.
Barna details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5641 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 30 |
| Median Age | 65 years |
| Median Household Income (Census 2021) | $480/week |
| Median Personal Income (Census 2021) | $407/week |
| Median Monthly Mortgage (Census 2021) | $6,000 |
| Average Household Size | 1.5 persons |
| Area | 219.6 km² |
| Population Density | 0/km² |
| Total Dwellings | 17 |
| Australian Citizens | 66.7% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -33.1747084 |
| Longitude | 136.7048377 |
| Distance from Adelaide | 262 km |
| Region (SA4) | South Australia - Outback |
| Area (SA3) | Eyre Peninsula and South West |
| Local Government | Kimba |
| Federal Electorate | Grey |
| State Electorate | Flinders |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 6 (20.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 3 (10.0%) |
| 45–64 years | 7 (23.3%) |
| 65+ years | 13 (43.3%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 7 (23.3%) |
| Asthma | 7 (23.3%) |
| Diabetes | 6 (20.0%) |
| Heart Disease | 3 (10.0%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 3 (20.0%) |
| 1 vehicle | 8 (53.3%) |
| 2 vehicles | 0 (0.0%) |
| 3+ vehicles | 4 (26.7%) |
Suburbs Near Barna
Same Postcode (5641)
More Barna 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.