Bony Mountain Postcode

Queensland

Outer Regional Bottom 20% SEIFA
4370
Postcode for Bony Mountain, QLD
Phone area code: 07 · 138 km from Brisbane · Pop. 91
91
Population
56
Median Age
$1,031
Household Income/wk
$231
Median Rent/wk
1/10
SEIFA Advantage
68.2
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 Bony Mountain ranks: household income sits in the bottom 25% of QLD suburbs; SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.

How Bony Mountain Compares

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

MetricBony MountainQLD avgAU avg
Household income/wk $1,031 -QLD $1,770 $1,836
Rent/wk $231 -QLD $380 $390
Mortgage/month $1,257 -QLD $1,774 $1,958
Median age 56 44.0 45.0
SEIFA decile 1/10 -QLD 4.0/10 6.0/10
Unemployment 0.0% -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.

Bony Mountain is a locality 138 km from Brisbane in Queensland, classified as outer regional by the ABS. The postcode is 4370. It falls within the Darling Downs - Maranoa region. The local government area is Southern Downs.

According to the 2021 Census, Bony Mountain has a population of 91 with a median age of 56. The median weekly household income is $1,031, below the QLD average. The Indigenous population is 4 (4.4% of residents).

Housing in Bony Mountain includes a median weekly rent of $231, median monthly mortgage repayment of $1,257, with 31 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 90.3% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Bony Mountain scores in decile 1 out of 10, which is well below the national average.

Bony Mountain is part of the Granite Belt statistical area in Queensland.

Bony Mountain Details

Postcode4370
StateQueensland (QLD)
Phone Area Code07
Population (2021)91
Median Age56 years
Median Household Income (Census 2021)$1,031/week
Median Personal Income (Census 2021)$602/week
Median Weekly Rent (Census 2021)$231
Median Monthly Mortgage (Census 2021)$1,257
Average Household Size2.3 persons
Area68.2 km²
Population Density1/km²
Total Dwellings31
Australian Citizens81.3%
Indigenous Population4 (4.4%)
Unemployment Rate0.0%
SEIFA IRSAD Decile1/10 (well below average)
Latitude-28.1264539
Longitude151.8332183
Distance from Brisbane138 km
Region (SA4)Darling Downs - Maranoa
Area (SA3)Granite Belt
Local GovernmentSouthern Downs
Federal ElectorateMaranoa

Age Profile

0–14 (7.7%) 15–24 (12.1%) 25–44 (22.0%) 45–64 (27.5%) 65+ (24.2%)
Show counts
0–14 years7 (7.7%)
15–24 years11 (12.1%)
25–44 years20 (22.0%)
45–64 years25 (27.5%)
65+ years22 (24.2%)

Housing Tenure

Owned outright (45.2%) Mortgaged (45.2%) Rented (9.7%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 1 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis13 (14.3%)
Asthma9 (9.9%)
Heart Disease8 (8.8%)
Cancer6 (6.6%)
Diabetes5 (5.5%)

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 vehicle6 (20.0%)
2 vehicles13 (43.3%)
3+ vehicles11 (36.7%)

Suburbs Near Bony Mountain

Same Postcode (4370)

More Bony Mountain 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.