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Queensland · Postcode 4122
Mount Gravatt East postcode and suburb data
Queensland · Phone area code 07 · 9 km from Brisbane
Suburb snapshot
Mount Gravatt East 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 Gravatt East ranks: household income is in the top 25% of QLD suburbs; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Mount Gravatt East vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | Mount Gravatt East | QLD avg | AU avg | Greater Brisbane |
|---|---|---|---|---|
| Household income/wk | $2,055 +QLD | $1,770 | $1,836 | $1,945 |
| Rent/wk | $400 ≈QLD | $380 | $390 | $402 |
| Mortgage/month | $2,041 +QLD | $1,774 | $1,958 | $1,919 |
| Median age | 35 | 44.0 | 45.0 | 38.0 |
| SEIFA decile | 9/10 +QLD | 4.0/10 | 6.0/10 | 7.0/10 |
| Unemployment | 4.8% -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 4122 covers Mount Gravatt East, an inland suburb of Brisbane about 9 km from the city centre. It forms part of the Brisbane - South region of Queensland. Local government services are provided by Brisbane.
According to the 2021 Census, Mount Gravatt East has a population of 12,428 with a median age of 35. The median weekly household income is $2,055, above the QLD average. The unemployment rate is 4.8%, lower than the QLD average. The Indigenous population is 206 (1.7% of residents).
Housing in Mount Gravatt East includes a median weekly rent of $400, median monthly mortgage repayment of $2,041, with 4,635 total dwellings. These housing costs sit above the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 61.8% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mount Gravatt East scores in decile 9 out of 10, which is well above the national average.
Mount Gravatt East is served by Mount Gravatt East State School.
Mount Gravatt East is part of the Mt Gravatt statistical area in Queensland.
Mount Gravatt East details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4122 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 12,428 |
| Median Age | 35 years |
| Median Household Income (Census 2021) | $2,055/week |
| Median Personal Income (Census 2021) | $946/week |
| Median Weekly Rent (Census 2021) | $400 |
| Median Monthly Mortgage (Census 2021) | $2,041 |
| Average Household Size | 2.6 persons |
| Area | 4.6 km² |
| Population Density | 2692/km² |
| Total Dwellings | 4,635 |
| Australian Citizens | 85.2% |
| Indigenous Population | 206 (1.7%) |
| Unemployment Rate | 4.8% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -27.532 |
| Longitude | 153.084 |
| Distance from Brisbane | 9 km |
| Region (SA4) | Brisbane - South |
| Area (SA3) | Mt Gravatt |
| Local Government | Brisbane |
| Federal Electorate | Bonner |
| State Electorate | Mansfield |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 2,294 (18.5%) |
| 15–24 years | 1,699 (13.7%) |
| 25–44 years | 4,065 (32.7%) |
| 45–64 years | 2,919 (23.5%) |
| 65+ years | 1,447 (11.6%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 1,043 (8.4%) |
| Arthritis | 793 (6.4%) |
| Diabetes | 455 (3.7%) |
| Heart Disease | 373 (3.0%) |
| Cancer | 295 (2.4%) |
| Lung Condition | 168 (1.4%) |
| Dementia | 41 (0.3%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 295 (6.4%) |
| 1 vehicle | 1,714 (37.3%) |
| 2 vehicles | 1,838 (40.0%) |
| 3+ vehicles | 745 (16.2%) |
Schools in Mount Gravatt East
ACARA 2025 school profiles for schools located in Mount Gravatt East. ICSEA is shown where ACARA publishes it.
Suburbs Near Mount Gravatt East
Same Postcode (4122)
More Mount Gravatt East 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.