Blacksoil Postcode

Queensland

Inner Regional
4306
Postcode for Blacksoil, QLD
Phone area code: 07 · 34 km from Brisbane · Pop. 106
106
Population
56
Median Age
$1,375
Household Income/wk
$300
Median Rent/wk
8/10
SEIFA Advantage
1.9
Area (km²)

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

How Blacksoil Compares

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

MetricBlacksoilQLD avgAU avgGreater Brisbane
Household income/wk $1,375 -QLD $1,770 $1,836 $1,945
Rent/wk $300 -QLD $380 $390 $402
Mortgage/month $2,167 +QLD $1,774 $1,958 $1,919
Median age 56 44.0 45.0 38.0
SEIFA decile 8/10 +QLD 4.0/10 6.0/10 7.0/10
Unemployment 7.9% +QLD 6.0% 5.0% 6.0%

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.

Blacksoil is a locality 34 km from Brisbane in Queensland, classified as inner regional by the ABS. The postcode is 4306. It falls within the Ipswich region. The local government area is Ipswich.

According to the 2021 Census, Blacksoil has a population of 106 with a median age of 56. The median weekly household income is $1,375, below the QLD average. The unemployment rate is 7.9%, higher than the QLD average. The Indigenous population is 6 (5.7% of residents).

Housing in Blacksoil includes a median weekly rent of $300, median monthly mortgage repayment of $2,167, with 29 total dwellings. These housing costs sit above the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 89.7% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Blacksoil scores in decile 8 out of 10, which is above the national average.

Blacksoil is part of the Ipswich Inner statistical area in Queensland.

Blacksoil Details

Postcode4306
StateQueensland (QLD)
Phone Area Code07
Population (2021)106
Median Age56 years
Median Household Income (Census 2021)$1,375/week
Median Personal Income (Census 2021)$896/week
Median Weekly Rent (Census 2021)$300
Median Monthly Mortgage (Census 2021)$2,167
Average Household Size2.4 persons
Area1.9 km²
Population Density56/km²
Total Dwellings29
Australian Citizens92.5%
Indigenous Population6 (5.7%)
Unemployment Rate7.9%
SEIFA IRSAD Decile8/10 (above average)
Latitude-27.5781877
Longitude152.7059363
Distance from Brisbane34 km
Region (SA4)Ipswich
Area (SA3)Ipswich Inner
Local GovernmentIpswich
Federal ElectorateBlair

Age Profile

0–14 (11.3%) 15–24 (3.8%) 25–44 (21.7%) 45–64 (34.0%) 65+ (19.8%)
Show counts
0–14 years12 (11.3%)
15–24 years4 (3.8%)
25–44 years23 (21.7%)
45–64 years36 (34.0%)
65+ years21 (19.8%)

Housing Tenure

Owned outright (48.3%) Mortgaged (41.4%) Rented (10.3%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 8 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis15 (14.2%)
Asthma12 (11.3%)
Heart Disease10 (9.4%)
Diabetes7 (6.6%)
Cancer3 (2.8%)
Dementia3 (2.8%)

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 vehicle5 (16.7%)
2 vehicles12 (40.0%)
3+ vehicles13 (43.3%)

Suburbs Near Blacksoil

Same Postcode (4306)

More Blacksoil 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.