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Queensland · Postcode 4573
Mount Coolum postcode and suburb data
Queensland · Phone area code 07 · 101 km from Brisbane
Suburb snapshot
Mount Coolum at a glance vs QLD
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against QLD
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Mount Coolum ranks: rents are among the top 10% in QLD.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Mount Coolum vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | Mount Coolum | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,690 ≈QLD | $1,770 | $1,836 |
| Rent/wk | $450 +QLD | $380 | $390 |
| Mortgage/month | $1,863 ≈QLD | $1,774 | $1,958 |
| Median age | 44 | 44.0 | 45.0 |
| SEIFA decile | 7/10 +QLD | 4.0/10 | 6.0/10 |
| Unemployment | 4.0% -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.
Mount Coolum is a coastal suburb of Brisbane in Queensland, with postcode 4573. It sits about 101 km from the Brisbane CBD, within the Sunshine Coast local government area. The suburb footprint covers roughly 5.0 square kilometres.
According to the 2021 Census, Mount Coolum has a population of 4,545 with a median age of 44. The median weekly household income is $1,690, close to the QLD average. The unemployment rate is 4.0%, lower than the QLD average. The Indigenous population is 80 (1.8% of residents).
Housing in Mount Coolum includes a median weekly rent of $450, median monthly mortgage repayment of $1,863, with 1,784 total dwellings. These housing costs sit above the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 69.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mount Coolum scores in decile 7 out of 10, which is above the national average.
Mount Coolum is part of the Noosa Hinterland statistical area in Queensland.
Mount Coolum details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4573 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 4,545 |
| Median Age | 44 years |
| Median Household Income (Census 2021) | $1,690/week |
| Median Personal Income (Census 2021) | $808/week |
| Median Weekly Rent (Census 2021) | $450 |
| Median Monthly Mortgage (Census 2021) | $1,863 |
| Average Household Size | 2.4 persons |
| Area | 5.0 km² |
| Population Density | 909/km² |
| Total Dwellings | 1,784 |
| Australian Citizens | 88.8% |
| Indigenous Population | 80 (1.8%) |
| Unemployment Rate | 4.0% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -26.566667 |
| Longitude | 153.083333 |
| Distance from Brisbane | 101 km |
| Region (SA4) | Sunshine Coast |
| Area (SA3) | Noosa Hinterland |
| Local Government | Sunshine Coast |
| Federal Electorate | Fairfax |
| State Electorate | Noosa |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 763 (16.8%) |
| 15–24 years | 439 (9.7%) |
| 25–44 years | 1,123 (24.7%) |
| 45–64 years | 1,392 (30.6%) |
| 65+ years | 823 (18.1%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 432 (9.5%) |
| Asthma | 358 (7.9%) |
| Heart Disease | 193 (4.2%) |
| Cancer | 139 (3.1%) |
| Diabetes | 115 (2.5%) |
| Lung Condition | 98 (2.2%) |
| Dementia | 64 (1.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 32 (1.8%) |
| 1 vehicle | 678 (38.4%) |
| 2 vehicles | 772 (43.7%) |
| 3+ vehicles | 283 (16.0%) |
Suburbs Near Mount Coolum
Same Postcode (4573)
More Mount Coolum 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.