Slacks Creek flood map & planning overlays
A planning-constraint profile of Slacks Creek (Logan City, QLD) - 8.57 km², mapped from live council and state overlay data. This suburb is highly constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
8.57 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Slacks Creek's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Slacks Creek flood risk at the property level
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched, from our lot-by-lot analysis of 5,366 Slacks Creek properties.
Lot-level readout
Flood-risk rating across all 5,366 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Slacks Creek.
Slacks Creek at a glance
How Slacks Creek is zoned
Selling in Slacks Creek? The lot-level zone is the zoning Part 3 of Queensland's Form 2 seller disclosure statement asks for - see our Form 2 planning data guide.
Across its 8.57 km², Slacks Creek is highly constrained by planning overlays. About 72% of the suburb sits within a mapped flood overlay, and 29% is flagged bushfire-prone. The dominant land-use zone is Low Density Residential. The terrain is gently undulating, and the median lot measures about 644 m² across 4,805 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Who lives in Slacks Creek
Census 2021 figures published by the ABS for the Slacks Creek suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 860, and decile 1 within Queensland. The national average is 1000.
Age profile
Share of Slacks Creek's 10,408 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Slacks Creek, the wider ABS statistical area containing Slacks Creek. There is no annual population series published at suburb level, so this describes the surrounding area rather than Slacks Creek itself.
9,970 in 2001 to 10,811 in 2025, up 8%.
Source: Australian Bureau of Statistics. Census of Population and Housing 2021 (General Community Profile) and SEIFA 2021, both published at the Suburbs and Localities level; Regional Population (estimated resident population) at Statistical Area Level 2. Used under CC BY 4.0. Census counts of small populations are randomly adjusted by the ABS to protect confidentiality, so figures for small suburbs are indicative.
Check a specific Slacks Creek address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
See what's in the $9 report →Slacks Creek planning - frequently asked
Where can I see a flood map of Slacks Creek?
The schematic on this page is a Slacks Creek flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 72% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Slacks Creek address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Slacks Creek flood-prone?
About 72% of Slacks Creek falls within a mapped flood overlay, against a Logan City average of 51%. Looking lot by lot, 48% of the 5,366 properties we analysed in Slacks Creek carry some level of mapped flood risk, including 629 rated high risk or historically affected. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Slacks Creek bushfire-prone?
Yes - around 29% of Slacks Creek is mapped as bushfire-prone, compared with a Logan City average of 54%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Slacks Creek?
The dominant planning zone in Slacks Creek is Low Density Residential, though the suburb also includes Environmental Management and Conservation and Recreation and Open Space. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Slacks Creek have heritage-listed places?
No heritage-listed places are on record within Slacks Creek. Even so, it is worth confirming for an individual property before any works.
Is Slacks Creek hilly or flat?
Slacks Creek is gently undulating: the median lot slope is about 4%, and 1% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 7 m to 36 m AHD across the suburb. Slope drives site costs - cut and fill, retaining walls and driveway grades - so it is worth knowing before you commit to a sloping block.
What is the typical lot size in Slacks Creek?
Across 4,805 surveyed parcels in Slacks Creek, the median lot size is about 644 m². There are also 528 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
Does Slacks Creek have a train station?
There is no train station inside Slacks Creek itself. The suburb is served by 57 bus stops.
What is the population of Slacks Creek?
At the 2021 Census Slacks Creek had 10,408 usual residents, with a median age of 35 and an average household size of 2.7 people. The wider Slacks Creek statistical area, which contains Slacks Creek, went from 9,970 people in 2001 to 10,811 in 2025, up 8%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Slacks Creek alone.
Is Slacks Creek an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Slacks Creek scores 860 and sits in decile 1 of 10 nationally and decile 1 within Queensland - decile 1 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.
What is the median household income in Slacks Creek?
Median household income in Slacks Creek was $1,301 a week at the 2021 Census, against $1,924 for the typical suburb in Logan City. Median rent was $310 a week and the median mortgage repayment $1,430 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Slacks Creek property?
A Slacks Creek planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.