South Australia · Postcode 5431

Willowie postcode and suburb data

South Australia · Phone area code 08 · 250 km from Adelaide

Remote
33
Population (2021)
$1,375
Household income/wk
$100
Median rent/wk
56
Median age
5/10
SEIFA advantage

Suburb snapshot

Willowie 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

5431 Postcode See every suburb sharing this postcode
33 People Resident population, Census 2021
Mount Remarkable Council area 29 suburbs, 12 postcodes
56 Median age Years, Census 2021
$1,375/wk Household income Suburb median, Census 2021 dollars
Decile 5/10 SEIFA advantage Middle SEIFA range

Benchmarks against SA

Household income
$1,375/wk
11% below SA average
Suburb median, Census 2021
Weekly rent
$100/wk
68% below SA average
Suburb median, Census 2021
SEIFA advantage
5/10
matches SA average
IRSAD decile, higher means more advantage
Median age
56 years
11.0 years older than SA average
Resident median age
Unemployment
0.0%
6.0 pts below SA average
Census labour-force rate

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Detailed comparison table

Willowie vs the SA average and the national average, using population-weighted 2021 Census data.

MetricWillowieSA avgAU avg
Household income/wk $1,375 -SA $1,545 $1,836
Rent/wk $100 -SA $308 $390
Mortgage/month $90 -SA $1,558 $1,958
Median age 56 45.0 45.0
SEIFA decile 5/10 ≈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.

Willowie is a remote community in South Australia, with postcode 5431. It lies roughly 250 km from Adelaide, classified by the ABS as remote Australia. The area is administered by Mount Remarkable.

According to the 2021 Census, Willowie has a population of 33 with a median age of 56. The median weekly household income is $1,375, below the SA average.

Housing in Willowie includes a median weekly rent of $100, median monthly mortgage repayment of $90, with 13 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, Willowie scores in decile 5 out of 10, which is around the national average.

Willowie is part of the Mid North statistical area in South Australia.

Willowie details

Location, Census, housing, SEIFA and geography fields used across this profile.

Postcode5431
StateSouth Australia (SA)
Phone Area Code08
Population (2021)33
Median Age56 years
Median Household Income (Census 2021)$1,375/week
Median Personal Income (Census 2021)$820/week
Median Weekly Rent (Census 2021)$100
Median Monthly Mortgage (Census 2021)$90
Average Household Size2.2 persons
Area178.0 km²
Population Density0/km²
Total Dwellings13
Australian Citizens81.8%
Unemployment Rate0.0%
SEIFA IRSAD Decile5/10 (average)
Latitude-32.6928305
Longitude138.3540777
Distance from Adelaide250 km
Region (SA4)Barossa - Yorke - Mid North
Area (SA3)Mid North
Local GovernmentMount Remarkable
Federal ElectorateGrey
State ElectorateStuart
Time ZoneACST (UTC+9:30), Australia/Adelaide (standard time)

Age Profile

0–14 (18.2%) 15–24 (0.0%) 25–44 (12.1%) 45–64 (60.6%) 65+ (0.0%)
Show counts
0–14 years6 (18.2%)
15–24 years0 (0.0%)
25–44 years4 (12.1%)
45–64 years20 (60.6%)
65+ years0 (0.0%)

Housing Tenure

Owned outright (70.0%) Mortgaged (30.0%) Rented (0.0%)

SEIFA socio-economic index

Willowie is in SEIFA IRSAD decile 5 of 10. Higher deciles indicate more relative socio-economic advantage. This is an area-level index, not a score for individual households.
More disadvantagedMiddle rangeMore advantaged

Health Conditions (2021 Census)

Asthma6 (18.2%)
Arthritis5 (15.2%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle0 (0.0%)
2 vehicles3 (23.1%)
3+ vehicles10 (76.9%)

Suburbs Near Willowie

Same Postcode (5431)

More Willowie 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.