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Spring Mountain Postcode
Queensland
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Spring Mountain Compares
Spring Mountain vs the QLD average and the national average (2021 Census, population-weighted).
| Metric | Spring Mountain | QLD avg | AU avg | Greater Brisbane |
|---|---|---|---|---|
| Household income/wk | $2,399 +QLD | $1,770 | $1,836 | $1,945 |
| Rent/wk | $445 +QLD | $380 | $390 | $402 |
| Mortgage/month | $2,000 +QLD | $1,774 | $1,958 | $1,919 |
| Median age | 29 | 44.0 | 45.0 | 38.0 |
| SEIFA decile | 9/10 +QLD | 4.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 5.3% -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.
Postcode 4300 covers Spring Mountain, an inland suburb of Brisbane about 23 km from the city centre. It forms part of the Ipswich region of Queensland. Local government services are provided by Ipswich.
According to the 2021 Census, Spring Mountain has a population of 6,085 with a median age of 29. The median weekly household income is $2,399, above the QLD average. The unemployment rate is 5.3%, lower than the QLD average. The Indigenous population is 140 (2.3% of residents).
Housing in Spring Mountain includes a median weekly rent of $445, median monthly mortgage repayment of $2,000, with 1,799 total dwellings. These housing costs sit above the QLD average. Rental properties account for 40.0% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Spring Mountain scores in decile 9 out of 10, which is well above the national average.
Spring Mountain is served by Spring Mountain State School.
Spring Mountain is part of the Springfield - Redbank statistical area in Queensland.
Spring Mountain Details
| Postcode | 4300 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 6,085 |
| Median Age | 29 years |
| Median Household Income (Census 2021) | $2,399/week |
| Median Personal Income (Census 2021) | $1,085/week |
| Median Weekly Rent (Census 2021) | $445 |
| Median Monthly Mortgage (Census 2021) | $2,000 |
| Average Household Size | 3.3 persons |
| Area | 19.7 km² |
| Population Density | 309/km² |
| Total Dwellings | 1,799 |
| Australian Citizens | 75.7% |
| Indigenous Population | 140 (2.3%) |
| Unemployment Rate | 5.3% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -27.6454 |
| Longitude | 152.909 |
| Distance from Brisbane | 23 km |
| Region (SA4) | Ipswich |
| Area (SA3) | Springfield - Redbank |
| Local Government | Ipswich |
| Federal Electorate | Oxley |
Age Profile
Show counts
| 0–14 years | 1,892 (31.1%) |
| 15–24 years | 671 (11.0%) |
| 25–44 years | 2,686 (44.1%) |
| 45–64 years | 719 (11.8%) |
| 65+ years | 122 (2.0%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 394 (6.5%) |
| Arthritis | 166 (2.7%) |
| Diabetes | 152 (2.5%) |
| Heart Disease | 67 (1.1%) |
| Cancer | 52 (0.9%) |
| Lung Condition | 32 (0.5%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 25 (1.4%) |
| 1 vehicle | 486 (27.3%) |
| 2 vehicles | 1,022 (57.4%) |
| 3+ vehicles | 246 (13.8%) |
Schools in Spring Mountain
Suburbs Near Spring Mountain
Same Postcode (4300)
More Spring 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.