Armstrong Creek Postcode

Queensland

Inner Regional Top 10% SEIFA Above QLD income
4520
Postcode for Armstrong Creek, QLD
Phone area code: 07 · 34 km from Brisbane · Pop. 328
328
Population
45
Median Age
$2,166
Household Income/wk
$415
Median Rent/wk
10/10
SEIFA Advantage
34.3
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 Armstrong Creek ranks: household income is in the top 25% of QLD suburbs; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.

How Armstrong Creek Compares

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

MetricArmstrong CreekQLD avgAU avgGreater Brisbane
Household income/wk $2,166 +QLD $1,770 $1,836 $1,945
Rent/wk $415 ≈QLD $380 $390 $402
Mortgage/month $2,500 +QLD $1,774 $1,958 $1,919
Median age 45 44.0 45.0 38.0
SEIFA decile 10/10 +QLD 4.0/10 6.0/10 7.0/10
Unemployment 4.6% -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.

Armstrong Creek is a locality 34 km from Brisbane in Queensland, classified as inner regional by the ABS. The postcode is 4520. It falls within the Moreton Bay - South region. The local government area is Moreton Bay.

According to the 2021 Census, Armstrong Creek has a population of 328 with a median age of 45. The median weekly household income is $2,166, above the QLD average. The unemployment rate is 4.6%, lower than the QLD average. The Indigenous population is 6 (1.8% of residents).

Housing in Armstrong Creek includes a median weekly rent of $415, median monthly mortgage repayment of $2,500, with 116 total dwellings. These housing costs sit above the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 93.6% of housing.

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

Armstrong Creek is part of the The Hills District statistical area in Queensland.

Armstrong Creek Details

Postcode4520
StateQueensland (QLD)
Phone Area Code07
Population (2021)328
Median Age45 years
Median Household Income (Census 2021)$2,166/week
Median Personal Income (Census 2021)$970/week
Median Weekly Rent (Census 2021)$415
Median Monthly Mortgage (Census 2021)$2,500
Average Household Size2.7 persons
Area34.3 km²
Population Density10/km²
Total Dwellings116
Australian Citizens93.0%
Indigenous Population6 (1.8%)
Unemployment Rate4.6%
SEIFA IRSAD Decile10/10 (well above average)
Latitude-27.2291232
Longitude152.8139709
Distance from Brisbane34 km
Region (SA4)Moreton Bay - South
Area (SA3)The Hills District
Local GovernmentMoreton Bay
Federal ElectorateDickson

Age Profile

0–14 (18.9%) 15–24 (9.5%) 25–44 (22.0%) 45–64 (36.6%) 65+ (16.2%)
Show counts
0–14 years62 (18.9%)
15–24 years31 (9.5%)
25–44 years72 (22.0%)
45–64 years120 (36.6%)
65+ years53 (16.2%)

Housing Tenure

Owned outright (40.9%) Mortgaged (52.7%) Rented (6.4%)

SEIFA Socio-economic Index

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

Health Conditions (2021 Census)

Asthma31 (9.5%)
Arthritis28 (8.5%)
Heart Disease13 (4.0%)
Diabetes10 (3.0%)
Cancer8 (2.4%)
Lung Condition5 (1.5%)

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 vehicle18 (16.1%)
2 vehicles50 (44.6%)
3+ vehicles44 (39.3%)

Suburbs Near Armstrong Creek

Same Postcode (4520)

More Armstrong Creek 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.