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Queensland · Postcode 4370
Sladevale postcode and suburb data
Queensland · Phone area code 07 · 120 km from Brisbane
Suburb snapshot
Sladevale 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.
Detailed comparison table
Sladevale vs the QLD average and the national average, using population-weighted 2021 Census data.
| Metric | Sladevale | QLD avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,625 ≈QLD | $1,770 | $1,836 |
| Rent/wk | $300 -QLD | $380 | $390 |
| Mortgage/month | $1,733 ≈QLD | $1,774 | $1,958 |
| Median age | 42 | 44.0 | 45.0 |
| SEIFA decile | 7/10 +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.
Sladevale is a locality 120 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, Sladevale has a population of 433 with a median age of 42. The median weekly household income is $1,625, close to the QLD average. The Indigenous population is 22 (5.1% of residents).
Housing in Sladevale includes a median weekly rent of $300, median monthly mortgage repayment of $1,733, with 140 total dwellings. Housing costs in the area sit below the QLD average. Owner-occupied dwellings (owned or mortgaged) make up 89.9% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Sladevale scores in decile 7 out of 10, which is above the national average.
Sladevale is part of the Granite Belt statistical area in Queensland.
Sladevale details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 4370 |
| State | Queensland (QLD) |
| Phone Area Code | 07 |
| Population (2021) | 433 |
| Median Age | 42 years |
| Median Household Income (Census 2021) | $1,625/week |
| Median Personal Income (Census 2021) | $687/week |
| Median Weekly Rent (Census 2021) | $300 |
| Median Monthly Mortgage (Census 2021) | $1,733 |
| Average Household Size | 2.9 persons |
| Area | 35.6 km² |
| Population Density | 12/km² |
| Total Dwellings | 140 |
| Australian Citizens | 92.6% |
| Indigenous Population | 22 (5.1%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -28.1590757 |
| Longitude | 152.0868168 |
| Distance from Brisbane | 120 km |
| Region (SA4) | Darling Downs - Maranoa |
| Area (SA3) | Granite Belt |
| Local Government | Southern Downs |
| Federal Electorate | Maranoa |
| State Electorate | Southern Downs |
| Time Zone | AEST (UTC+10), Australia/Brisbane (standard time) |
Age Profile
Show counts
| 0–14 years | 101 (23.3%) |
| 15–24 years | 44 (10.2%) |
| 25–44 years | 86 (19.9%) |
| 45–64 years | 115 (26.6%) |
| 65+ years | 96 (22.2%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 49 (11.3%) |
| Asthma | 40 (9.2%) |
| Diabetes | 24 (5.5%) |
| Heart Disease | 22 (5.1%) |
| Cancer | 17 (3.9%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 24 (18.3%) |
| 2 vehicles | 54 (41.2%) |
| 3+ vehicles | 53 (40.5%) |
Suburbs Near Sladevale
Same Postcode (4370)
More Sladevale 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.