Suburb report · QLD 4127
Slacks Creek
Prepared by the property strategists at Chase Wealth Australia
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Population
10,654
Slacks Creek suburb profile
Who lives in Slacks Creek
At 21km from the Brisbane CBD, Slacks Creek belongs to the middle suburbs of Brisbane. Slacks Creek is one of the most populous suburbs in Queensland, with 10,654 residents, more than 84% of the state's suburbs. By population it is number 86 of 317 suburbs within 40km of the Brisbane CBD. Slacks Creek skews young, with a median age of 34 against 39 for the median Queensland suburb. Among suburbs within 40km of the Brisbane CBD, 220 of 317 have an older median age.
Income and home ownership
Households earn a median $74,200 a year, at the 23rd percentile for Queensland. Among the 317 suburbs within 40km of the Brisbane CBD, 290 report a higher median household income. Ownership runs at 55.5%, with 44.5% renting, at the 20th percentile of Queensland suburbs. Among suburbs within 40km of the Brisbane CBD, 83 have a lower share of owner-occupiers than Slacks Creek.
Household mix
At the 2021 Census, 3,529 households lived in Slacks Creek, more than in 83% of Queensland suburbs. The household mix leans to families: families with children 48.7%, couples without children 19.9%, people living alone 27.1% and group households 4.2%. Among suburbs within 40km of the Brisbane CBD, 155 of 317 have a smaller share of families with children than Slacks Creek. At 4.2%, group households are more common here than in 68% of Queensland suburbs. Couples without children are scarce at 19.9%, fewer than in 95% of Queensland suburbs.
Housing supply
20 new dwellings were approved across the Slacks Creek statistical area in the year to June 2025, 29% under its 2020 to 2024 average of 28 a year. The Slacks Creek statistical area had 10,811 residents in 2025 and closely matches Slacks Creek. That works out to 1.8 approvals per 1,000 residents of that area, below the 3.2 of the median Queensland statistical area. Between 2020 and 2025 the area's approvals peaked at 59 in 2022 and bottomed at 15 in 2020.
Population trend
From 2020 to 2025, the Slacks Creek statistical area added 2% to its population, against 9.7% for Queensland as a whole. Over those 5 years a typical Queensland statistical area added 6.3%, putting this area 4.3 points behind. It ranks at the 15th percentile of Queensland statistical areas for population growth over the period. The fastest single year was to 2023, at 0.7%, and the slowest to 2021, at -0.4%.
Against its neighbours
The sharpest contrast among the nearby suburbs is Marsden, where the share of families with children is 61.8% compared with 48.7% here. On the share of families with children, Woodridge comes closest to Slacks Creek: 47.5% against 48.7%. Kingston, 2km away, has 11,136 residents and a median household income of $68,800.
Location
Demographics
ABS Data by Region to 2025, on ABS Census 2021 suburb baselineHousehold Mix Census 2021
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Reading this report
Every figure in the Slacks Creek data table is dated at its source. Supply and population change cover the Slacks Creek statistical area, whose boundary differs from Slacks Creek's, and our guide to reading a suburb report explains how our buyers agents weigh them.
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This report is market intelligence prepared by Chase Wealth Australia for general information only. Figures are statistical estimates for the suburb, not valuations of any individual property, and do not constitute financial or credit advice. Consider your circumstances and seek professional advice before acting. Demographic figures are sourced from the Australian Bureau of Statistics, Census 2021 (licensed CC BY 4.0) where available.