South Isis Postcode

Queensland

Inner Regional Bottom 20% SEIFA
4660
Postcode for South Isis, QLD
Phone area code: 07 · 256 km from Brisbane · Pop. 381
381
Population
53
Median Age
$1,269
Household Income/wk
$300
Median Rent/wk
2/10
SEIFA Advantage
35.6
Area (km²)

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

Where South Isis ranks: SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.

How South Isis Compares

South Isis vs the QLD average and the national average (2021 Census, population-weighted).

MetricSouth IsisQLD avgAU avg
Household income/wk $1,269 -QLD $1,770 $1,836
Rent/wk $300 -QLD $380 $390
Mortgage/month $1,467 -QLD $1,774 $1,958
Median age 53 44.0 45.0
SEIFA decile 2/10 -QLD 4.0/10 6.0/10
Unemployment 9.3% +QLD 6.0% 5.0%

Green pill = at least 10% above the QLD average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.

South Isis is a locality 256 km from Brisbane in Queensland, classified as inner regional by the ABS. The postcode is 4660. It falls within the Wide Bay region. The local government area is Bundaberg.

According to the 2021 Census, South Isis has a population of 381 with a median age of 53. The median weekly household income is $1,269, below the QLD average. The unemployment rate is 9.3%, higher than the QLD average. The Indigenous population is 12 (3.1% of residents).

Housing in South Isis includes a median weekly rent of $300, median monthly mortgage repayment of $1,467, with 136 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 96.2% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, South Isis scores in decile 2 out of 10, which is well below the national average.

South Isis is part of the Maryborough statistical area in Queensland.

South Isis Details

Postcode4660
StateQueensland (QLD)
Phone Area Code07
Population (2021)381
Median Age53 years
Median Household Income (Census 2021)$1,269/week
Median Personal Income (Census 2021)$478/week
Median Weekly Rent (Census 2021)$300
Median Monthly Mortgage (Census 2021)$1,467
Average Household Size2.5 persons
Area35.6 km²
Population Density11/km²
Total Dwellings136
Australian Citizens87.4%
Indigenous Population12 (3.1%)
Unemployment Rate9.3%
SEIFA IRSAD Decile2/10 (well below average)
Latitude-25.2592762
Longitude152.297852
Distance from Brisbane256 km
Region (SA4)Wide Bay
Area (SA3)Maryborough
Local GovernmentBundaberg
Federal ElectorateHinkler

Age Profile

0–14 (13.6%) 15–24 (7.6%) 25–44 (13.1%) 45–64 (36.5%) 65+ (30.2%)
Show counts
0–14 years52 (13.6%)
15–24 years29 (7.6%)
25–44 years50 (13.1%)
45–64 years139 (36.5%)
65+ years115 (30.2%)

Housing Tenure

Owned outright (66.2%) Mortgaged (30.0%) Rented (3.8%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis78 (20.5%)
Asthma28 (7.3%)
Heart Disease28 (7.3%)
Cancer28 (7.3%)
Diabetes24 (6.3%)
Lung Condition15 (3.9%)

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 vehicle28 (20.6%)
2 vehicles59 (43.4%)
3+ vehicles49 (36.0%)

Suburbs Near South Isis

Same Postcode (4660)

More South Isis 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.